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Volume 11 (2011)
A1: Symmetries in Steinhaus Triangles and in Generalized Pascal Triangles
Josep M. Brunat and Montserrat Maureso
A2:
Unbounded Discrepancy in Frobenius Numbers
Jeffrey Shallit and James Stankewicz
A3:
Combinatorial Interpretations of Convolutions of the Catalan Numbers
A4:
Quadratic Forms and Four Partition Functions Modulo 3
Jeremy Lovejoy and Robert Osburn
A5:
On Bases With a T -Order
Quan-Hui Yang and Feng-Juan Chen
A6:
Maximum GCD Among Pairs of Random Integers
R. W. R. Darling and E. E. Pyle
A7:
Van der Waerden's Theorem and Avoidability in Words
Yu-Hin Au, Aaron Robertson, and Jeffrey Shallit
A8:
On a Class of Ternary Inclusion-Exclusion Polynomials
Gennady Bachman and Pieter Moree
A9:
First Remark on a ζ-Analogue of the Stirling Numbers
A10:
On Product Difference Fibonacci Identities
A11:
New Sequences That Converge to a Generalization of Euler's Constant
A12:
On the Number of Factorizations of an Integer
R. Balasubramanian and Florian Luca
A13:
Values of the Euler and Carmichael Functions Which Are Sums of Three Squares
A14:
The Intrinsic Periodic Behaviour of Sequences Related to a Rational Integral
A15:
Note on the Diophantine Equation Xt + Yt = BZt
A16:
Coefficients in Powers of the Log Series
A17:
On a Combinatorial Conjecture
Thomas W. Cusick, Yuan Li, and Pantelimon Stănică
A18:
The (Exponential) Bipartitional Polynomials and Polynomial Sequences of Trinomial Type: Part I
Miloud Mihoubi and Hacène Belbachir
A19:
A Cauchy-Davenport Type Result for Arbitrary Regular Graphs
A20:
On Congruent Numbers With Three Prime Factors
Lindsey Reinholz, Blair K. Spearman, and Qiduan Yang
A21:
Projective p -Orderings and Homogeneous Integer-Valued Polynomials
K. Johnson and D. Patterson
A22:
On the Number of Points in a Lattice Polytope
Arseniy Akopyan and Makoto Tagami
A23:
Combinatorial Proofs of Some Identities for the Fibonacci and Lucas Numbers
Alex Eustis and Mark Shattuck
A24:
An Extreme Family of Generalized Frobenius Numbers
Matthias Beck and Curtis Kifer
A25:
On the Distance Between Smooth Numbers
Jean-Marie De Koninck and Nicolas Doyon
A26:
Analogs of the Stern Sequence
A27:
On Some Equations Related to Ma's Conjecture
Jiagui Luo, Alain Togbé, and Pingzhi Yuan
A28:
Normality, Projective Normality and EGZ Theorem
S. S. Kannan and S. K. Pattanayak
A29:
The (Exponential) Bipartitional Polynomials and Polynomial Sequences of Trinomial Type: Part II
Hacène Belbachir and Miloud Mihoubi
A30:
Supremum of Representation Functions
G. Grekos, L. Haddad, C. Helou, and J. Pihko
A31:
Completely Multiplicative Automatic Functions
Jan-Christoph Schlage-Puchta
A32:
The k -Periodic Fibonacci Sequence and an Extended Binet's Formula
Marcia Edson, Scott Lewis, and Omer Yayenie
A33:
Robin's Theorem, Primes, and a New Elementary Reformulation of the Riemann Hypothesis
Geoffrey Caveney, Jean-Louis Nicolas, and Jonathan Sondow
A34:
Reducing the Erdő-Moser Equation 1n + 2n + ... + kn = (k+1)n Modulo k and k2
Jonathan Sondow and Kieren MacMillan
A35:
On Some Conjectures Concerning Stern's Sequence and Its Twist
A36:
Number of Weighted Subsequence Sums With Weights in {1, -1}
Sukumar Das Adhikari and Mohan N. Chintamani
A37:
Binomial Coefficient-Harmonic Sum Identities Associated to Supercongruences
A38:
Euler's Pentagon Number Theorem Implies the Jacobi Triple Product Identity
Chuanan Wei and Dianxuan Gong
A39:
On Directions Determined by Subsets of Vector Spaces Over Finite Fields
Alex Iosevich and Hannah Morgan
A40:
A Remark on a Paper of Luca and Walsh
A41:
On the Tennis Ball Problem
John M. Freeman, Tomas Schonbek, and Wandi Wei
A42:
On the Conditioned Binomial Coefficients
A43:
Convolution and Reciprocity Formulas for Bernoulli Polynomials
Takashi Agoh and Karl Dilcher
A44:
Counting Finite Languages by Total Word Length
A45:
Selmer's Multiplicative Algorithm
A46:
Lucas Numbers and Determinants
A. R. Moghaddamfar and H. Tajbakhsh
A47:
A Combinatorial Proof of Guo's Multi-Generalization of Munarini's Identity
A48:
Enumeration of Triangles in Quartic Residue Graphs
Mark Budden, Nicole Calkins, William Nathan Hack, Joshua Lambert, and Kimberly Thompson
A49:
A Remark on the Boros-Moll Sequence
A50:
A Relation Between Triangular Numbers and Prime Numbers
Rigoberto Flórez and Leandro Junes
A51:
Some Remarks on a Paper of V. A. Liskovets
A52:
A Combinatorial Proof of a Recursive Formula for Multipartitions
Oleg Lazarev and Holly Swisher
A53:
Aliquot Cycles of Repdigits
Florian Luca and Herman te Riele
A54:
Digital Sums and Functional Equations
A55:
Odd Catalan Numbers Modulo 2k
A56:
Variations of the Poincaré Map
A57:
Diophantine Equations of Matching Games I
Chun Yin Hui and Wai Yan Pong
A58:
Norm Euclidean Quaternionic Orders
A59:
On a Theorem of Prachar Involving Prime Powers
Taiyu Li and Hengcai Tang
A60:
A New Proof of Winquist's Identity
A62:
Codes Associated With O+ (2n,2r ) and Power Moments of Kloosterman Sums
A63:
Subprime Factorization and the Numbers of Binomial Coefficients Exactly Divided by Powers of a Prime
A61:
Counting Depth Zero Patterns in Ballot Paths
Heinrich Niederhausen and Shaun Sullivan
A64:
Generalized Nonaveraging Integer Sequences
A65:
The Robin Inequality for 7 -Free Integers
Patrick Solé and Michel Planat
A66:
A Novel Approach to the Discovery of Binary BBP-Type Formulas for Polylogarithm Constants
A67:
A Recurrence Related to the Bell Numbers
Toufik Mansour and Mark Shattuck
A68:
Sum-Product Estimates Applied to Waring's Problem Over Finite Fields
Todd Cochrane and James Cipra
A69:
On 3 -Adic Valuations of Generalized Harmonic Numbers
A70:
Communal Partitions of Integers
A71:
On Computation of Exact Van Der Waerden Numbers
Games Articles
G1:
Analyzing Two-Color Babylon
Mark Goadrich and Mark Schlatter
G2:
On the Complexity of Chooser-Picker Positional Games
András Csernenszky, Ryan R. Martin, and András Pluhár
