Article 02.1.6:
Robert M. Nemba and Alphonse Emadak,
"Direct Enumeration of Chiral and Achiral Graphs of
a Polyheterosubstituted Monocyclic Cycloalkane"
(Abstract,
pdf)
Article 02.2.2:
Yuriy Tarannikov,
"The Minimal Density of a Letter in an Infinite Ternary Square-Free Word is 0.2746..."
(Abstract,
pdf,
ps,
dvi,
tex)
Article 02.2.3:
G. Everest, A. J. van der Poorten, Y. Puri, and T. Ward,
"Integer Sequences and Periodic Points"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 02.2.4:
Dorin Andrica and Ioan Tomescu,
"On an Integer Sequence Related to a Product of Trigonometric Functions, and Its
Combinatorial Relevance"
(Abstract,
pdf,
ps,
dvi,
tex)