OFFSET
1,1
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..15
EXAMPLE
Some solutions for 4X4X4
.....2........2........2........3........2........1........2........2
....1.0......3.3......1.1......3.0......3.3......0.3......3.3......3.0
...2.3.1....3.0.3....3.0.3....3.3.2....3.3.2....2.1.2....2.3.2....3.3.3
..3.0.1.0..3.2.3.3..0.2.1.2..2.0.3.0..3.2.3.3..0.1.0.1..3.3.3.0..3.3.2.0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jul 24 2011
STATUS
approved