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Integers, Volume 12
Volume 12, 2012
- Vladimir Shevelev:

The Number of Permutations with Prescribed Up-Down Structure as a Function of Two Variables. A1 - Fumihiko Nakano, Taizo Sadahiro:

A (-β)-Expansion Associated to Sturmian Sequences. A2 - Michael Coons:

A Correlation Identity for Stern's Sequence. A3 - Michael P. Knapp, Michael D. Paul:

On Weakly Complete Sequences Formed by the Greedy Algorithm. A4 - Nathaniel Shar:

Bijective Proofs of Vajda's Ninetieth Fibonacci Number Identity and Related Identities. A5 - Idris David Mercer:

Newman Polynomials, Reducibility, and Roots on the Unit Circle. A6 - Christian Aebi, Grant Cairns:

A Property of Twin Primes. A7 - Mohammadreza Bidar:

Partition of an Integer into Distinct Bounded Parts, Identities and Bounds. A8 - Kevin Doerksen, Anna Haensch:

Primitive Prime Divisors in Zero Orbits of Polynomials. A9 - Jean-Pierre Flori, Hugues Randriam:

On the Number of Carries Occurring in an Addition Mod 2k-1. A10 - Lenny Jones:

Fibonacci Variations of a Conjecture of Polignac. A11 - Yung-Pin Chen:

A Probabilistic Look at Series Involving Euler's Totient Function. A12 - Mario Huicochea:

Extending Nathanson Heights to Arbitrary Finite Fields. A13 - Weidong Gao, Linlin Wang:

The Maximal Cross Number of Unique Factorization Zero-sum Sequences Over A Finite Abelian Group. A14 - Kevin A. Broughan:

An Explicit Bound for Aliquot Cycles of Repdigits. A15 - Miroslawa Radziejewska:

A Note on the Minimal Number of Representations in A+A. A16 - Horst Brunotte:

A Unified Proof of Two Classical Theorems on CNS Polynomials. A17 - Jonathan Chappelon, Shalom Eliahou:

On the Problem of Molluzzo for the Modulus 4. A18 - Joseph Vandehey:

On Multiplicative Functions with Bounded Partial Sums. A19 - Toufik Mansour, Mark Shattuck:

Avoiding Type (1, 2) or (2, 1) Patterns in a Partition of a Set. A20 - Hayri Ardal, Tom C. Brown, Veselin Jungic, Julian Sahasrabudhe:

On Abelian and Additive Complexity in Infinite Words. A21 - Tom C. Brown:

Approximations of Additive Squares in Infinite Words. A22 - Richard E. Crandall:

The Googol-th Bit of the Erdős--Borwein Constant. A23 - Shishuo Fu, James A. Sellers:

Enumeration of the Degree Sequences of Line--Hamiltonian Multigraphs. A24 - Youssef Fares, Keith Johnson:

The Characteristic Sequence and p-Orderings of the Set of d-th Powers of Integers. A25 - Byeong Moon Kim, Yoomi Rho:

Van der Waerden's Theorem on Homothetic Copies of {1, 1+s, 1+s+t}. A26 - Antal Balog, Kevin A. Broughan, Igor E. Shparlinski:

Sum-Products Estimates with Several Sets and Applications. A27 - Josefina López, Peter Stoll:

The 2-Adic, Binary and Decimal Periods of 1/3k Approach Full Complexity for Increasing k. A28 - Alon Regev:

A Proof of Catalan's Convolution Formula. A29 - Steven J. Miller, Luc Robinson, Sean Pegado:

Explicit Constructions of Large Families of Generalized More Sums Than Differences Sets. A30 - Thomas Wright:

The Impossibility of Certain Types of Carmichael Numbers. A31 - Patrick Devlin:

Integer Subsets with High Volume and Low Perimeter. A32 - Noboru Ushiroya:

Mean-Value Theorems for Multiplicative Arithmetic Functions of Several Variables. A33 - Kevin A. Broughan, Qizhi Zhou:

Odd Repdigits to Small Bases are Not Perfect. A34 - Miloud Mihoubi, Mohammed Said Maamra:

The (r1, ..., rp)-Stirling Numbers of the Second Kind. A35 - L'ubomíra Balková:

Factor Frequencies in Languages Invariant Under Symmetries Preserving Factor Frequencies. A36 - José María Grau, Antonio M. Oller-Marcén:

On k-Lehmer Numbers. A37 - Ayhan Dil, Veli Kurt:

Polynomials Related to Harmonic Numbers and Evaluation of Harmonic Number Series I. A38 - Anthony Sofo:

Reciprocal Power Sums. A39 - Nayandeep Deka Baruah, Bidyut Boruah:

Two Theta Function Identities of Ramanujan and Representation of a Number as a Sum of Three Squares and as a Sum of Three Triangular Numbers. A40 - Victor Cuauhtemoc García:

Distribution and Additive Properties of Sequences With Terms Involving Sumsets in Prime Fields. A41 - Le Anh Vinh:

On Some Problems of Gyarmati and Sárközy. A42 - Kenneth A. Brown, Scott M. Dunn, Joshua Harrington:

Arithmetic Progressions in the Polygonal Numbers. A43 - Abdallah Derbal:

Ordre Maximum d'une Fonction Liée aux Diviseurs d'un Nombre Entier. A44 - Roberto Tauraso:

Supercongruences for a Truncated Hypergeometric Series. A45 - Michal Kouril:

Computing the Van der Waerden Number W(3, 4)=293. A46 - Johannes F. Morgenbesser, Lukas Spiegelhofer:

A Reverse Order Property of Correlation Measures of the Sum-of-Digits Function. A47 - Guixin Deng, Pingzhi Yuan:

On a Combinatorial Conjecture of Tu and Deng. A48 - Heinrich Niederhausen:

Inverses of Motzkin and Schröder Paths. A49 - Pete L. Clark, Jacob Hicks, Katherine Thompson, Nathan Walters:

GoNII: Universal Quaternary Quadratic Forms. A50 - Svetoslav Savchev, Fang Chen:

Long Minimal Zero-Sum Sequences in the Group C2⊕ C2k. A51 - Donald A. Preece, Ian Anderson:

Obtaining All or Half of Un as 〈 x 〉 x 〈 x+1 〉. A52 - Wen Yu, Min Tang:

A Note on Partitions of Natural Numbers and Their Representation Functions. A53 - Nayandeep Deka Baruah, Bipul Kumar Sarmah:

The Number of Representations of a Number as Sums of Various Polygonal Numbers. A54 - Simon Griffiths:

(k+1)-Sums Versus k-Sums. A55 - John Cullinan, Farshid Hajir:

Primes of Prescribed Congruence Class in Short Intervals. A56 - Andreas Weingartner:

On the Diophantine Equation Π xi = Σ xi. A57 - Jean-Paul Allouche:

On the Stern Sequence and Its Twisted Version. A58 - Mark Shattuck:

Convolution Identities for Stirling Numbers of the First Kind Via Involution. A59 - Augustine O. Munagi:

Euler-type Identities for Integer Compositions Via Zig-Zag Graphs. A60 - Ray S. Melham:

On Finite Sums of Good and Shar that Involve Reciprocals of Fibonacci Numbers. A61 - Jeremy F. Alm, Jacob Manske:

A New Approach to the Results of Kövari, Sós, and Turán Concerning Rectangle-Free Subsets of the Grid. A62 - Brandt Kronholm:

A Result on Ramanujan-Like Congruence Properties of the Restricted Partition Function p(n, m) Across Both Variables. A63 - Thomas Koshy, Zhenguang Gao:

Triangular Numbers in the Jacobsthal Family. A64 - Melissa Emory:

The Diophantine Equation X4+Y4=D2Z4 in Quadratic Fields. A65 - Carsten Elsner, Martin Stein:

On the Value Distribution of Error Sums for Approximations With Rational Numbers. A66 - Idris David Mercer:

Newman Polynomials Not Vanishing on the Unit Circle. A67 - Agelos Georgakopoulos, Peter Winkler:

Two-Color Babylon. G1 - Urban Larsson:

A Generalized Diagonal Wythoff Nim. G2 - Alda Carvalho, Carlos Pereira dos Santos, Cátia Lente Dias, Francisco Coelho, João Pedro Neto, Sandra Vinagre:

A Recursive Process Related to a Partizan Variation of Wythoff. G3 - Wen An Liu, Haifeng Li, Yingbin Ma, Bei Li:

On Supplements of 2 x m Board in Toppling Towers. G4 - Ian Douglas, Nándor Sieben:

Edge Animal Weak (1, 2)-Achievement Games. G5

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