Article 20.1.2:
Stepan Kochemazov, Oleg Zaikin, Eduard Vatutin, and Alexey Belyshev,
"Enumerating Diagonal Latin Squares of Order Up to 9"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 20.1.4:
Yu Hin (Gary) Au, Fatemeh Bagherzadeh, and Murray R. Bremner,
"Enumeration and Asymptotic Formulas for Rectangular Partitions of the Hypercube"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 20.1.5:
I. Tasoulas, K. Manes, A. Sapounakis, and P. Tsikouras,
"Chains with Small Intervals in the Lattice of Binary Paths"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 20.1.8:
Mengmeng Liu and Andrew Yezhou Wang,
"The Number of Designated Parts in Compositions with Restricted Parts"
(Abstract,
pdf,
ps,
dvi,
tex)
Issue 2
Article 20.2.1:
Jhon J. Bravo, Jose L. Herrera, and José L. Ramírez,
"Combinatorial Interpretation of Generalized Pell Numbers"
(Abstract,
pdf,
ps,
dvi,
tex)