OFFSET
1,2
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..18
EXAMPLE
Some solutions for 3X3X3X3 with a(1,1,1)=0
....0......0......0......0......0......0......0......0......0......0......0
...
....0......0......0......0......0......0......0......0......0......0......0
...0.0....0.0....0.0....0.1....0.1....0.1....0.1....0.1....0.1....0.1....0.1
...
....0......1......1......0......1......1......0......1......1......0......1
...1.1....1.1....1.1....0.1....0.1....0.1....1.0....1.0....1.0....1.1....1.1
..1.1.1..0.1.1..1.1.0..1.1.1..0.1.1..1.1.0..1.1.1..0.1.1..1.1.0..1.0.1..0.0.1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 03 2011
STATUS
approved