OFFSET
1,1
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..24
EXAMPLE
Some solutions for 4X4X4
.....2........1........2........2........2........2........2........1
....2.2......2.2......3.3......3.2......2.2......3.3......3.3......1.1
...2.2.2....2.2.2....3.2.2....2.3.3....3.3.2....3.2.2....2.2.2....4.4.1
..3.2.2.2..2.2.1.2..2.2.2.2..2.2.3.2..3.2.2.3..3.2.2.3..2.3.3.2..4.4.4.1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Aug 06 2011
STATUS
approved