Article 19.1.7:
Steve Butler, Jeongyoon Choi, Kimyung Kim, and Kyuhyeok Seo,
"Enumerating Multiplex Juggling Patterns"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 19.1.8:
David Stenlund and James G. Wan,
"Some Double Sums Involving Ratios of Binomial Coefficients Arising From Urn Models"
(Abstract,
pdf,
ps,
dvi,
tex)
Issue 2
Article 19.2.1:
Kota Saito and Yuuya Yoshida,
"Arithmetic Progressions in the Graphs of Slightly Curved Sequences"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 19.2.2:
Anne-Maria Ernvall-Hytönen, Tapani Matala-aho, and Louna Seppälä
"Euler's Divergent Series in Arithmetic Progressions"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 19.2.3:
Ana Cecilia García Lomelí and Santos Hernández
Hernández,
"Repdigits as Sums of Two Padovan Numbers"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 19.2.4:
Caleb M. Shor,
"On Free Numerical Semigroups and the Construction of Minimal Telescopic Sequences"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 19.2.5:
Özgür Akgün, Ian Gent, Sergey Kitaev, and Hans Zantema,
"Solving Computational Problems in the Theory of Word-Representable Graphs"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 19.2.6:
Michael Bukata, Ryan Kulwicki, Nicholas Lewandowski, Lara Pudwell, Jacob Roth, and Teresa Wheeland,
"Distributions of Statistics over Pattern-Avoiding Permutations"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 19.2.8:
Tricia Muldoon Brown,
"On the Unimodality of Convolutions of Sequences of Binomial Coefficients"
(Abstract,
pdf,
ps,
dvi,
tex)
Issue 3
Article 19.3.1:
Lorenz Halbeisen and Norbert Hungerbühler,
"Congruent Number Elliptic Curves Related to Integral Solutions of m2 = n2 + nl + n2"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 19.3.2:
Karl Dilcher and Larry Ericksen,
"Polynomial Analogues of Restricted b-ary Partition Functions"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 19.3.3:
Jeffrey H. Dinitz, Richard A. Games, and Robert L. Roth,
"Seeds for Generalized Taxicab Numbers"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 19.3.4:
Spencer P. Hurd and Judson S. McCranie,
"Integers That Are Sums of Uniform Powers of All Their Prime Factors: The Sequence A068916"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 19.3.5:
Hacène Belbachir, Abdelghani Mehdaoui, and László Szalay,
"Diagonal Sums in the Pascal Pyramid, II: Applications"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 19.4.4:
Rigoberto Flórez, Robinson A. Higuita, and Alexander Ramírez,
"The Resultant, the Discriminant, and the Derivative of Generalized Fibonacci Polynomials"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 19.4.5:
Per Alexandersson and Linus Jordan,
"Enumeration of Border-Strip Decompositions and Weil-Petersson Volumes"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 19.4.7:
Richard P. Brent,
M. L. Glasser,
and Anthony J. Guttmann,
"A Conjectured Integer Sequence Arising From the Exponential Integral"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 19.5.2:
Cyril Banderier and Florian Luca,
"On the Period mod m of Polynomially-Recursive Sequences: a Case Study"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 19.5.3:
Robert Frontczak,
"Relating Fibonacci Numbers to Bernoulli Numbers via Balancing Polynomials"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 19.5.4:
Clark Kimberling,
"A Combinatorial Classification of Triangle Centers on the Line at Infinity"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 19.5.5:
Breeanne Baker Swart, Susan Crook, Helen G. Grundman,
Laura Hall-Seelig, May Mei, and Laurie Zack,
"Fixed Points of Augmented Generalized Happy Functions II: Oases and Mirages"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 19.6.2:
Calvin Leng and Christopher O'Neill,
"A Sequence of Quasipolynomials Arising from Random Numerical Semigroups"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 19.6.3:
Eric F. Bravo, Carlos A. Gómez, and Florian Luca,
"Product of Consecutive Tribonacci Numbers With Only One Distinct Digit"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 19.6.4:
Jarib R. Acosta, Yadira Caicedo, Juan P. Poveda,
José L. Ramírez, and Mark Shattuck,
"Some New Restricted n-Color Composition Functions"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 19.7.2:
Dan Ismailescu, Adrienne Ko, Celine Lee, and Jae Yong Park,
"On Second-Order Linear Sequences of Composite Numbers"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 19.7.4:
Pentti Haukkanen, Jorma K. Merikoski, and Timo Tossavainen,
"Arithmetic Subderivatives: Discontinuity and Continuity"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 19.7.5:
Juan S. Auli and Sergi Elizalde,
"Consecutive Patterns in Inversion Sequences II: Avoiding Patterns of Relations"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 19.7.6:
Nathaniel Benjamin,
Grant Fickes,
Eugene Fiorini,
Edgar Jaramillo Rodriguez,
Eric Jovinelly, and
Tony W. H. Wong,
"Primes and Perfect Powers in the Catalan Triangle"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 19.7.7:
Jovan Mikić,
"Two New Identities Involving the
Catalan Numbers and Sign-Reversing Involutions"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 19.8.1:
Janyarak Tongsomporn, Nicola Oswald, and Jörn Steuding,
"Waring's Problem for Hurwitz Quaternion Integers"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 19.8.2:
James D. Currie,
"Finite Test Sets for Morphisms That Are Squarefree on Some of Thue's Squarefree Ternary Words"
(Abstract,
pdf,
ps,
dvi,
tex)