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A183282
Number of nXnXn triangular binary arrays with no element having four consecutive neighbors taken clockwise with value 1
0
2, 8, 54, 646, 14222, 555120, 38707416, 4852741246, 1088604700024, 437267393817902, 314722463901327496
OFFSET
1,1
EXAMPLE
Some solutions for 4X4
.....0........1........1........1........1........1........0........0
....0.0......0.1......1.0......0.0......0.0......1.1......0.0......1.1
...0.0.0....0.0.0....1.0.0....1.0.1....1.0.0....0.0.0....0.1.1....0.1.0
..0.0.1.1..1.1.0.0..1.0.1.1..1.0.1.0..0.1.0.0..0.0.0.0..0.0.1.1..0.0.1.0
CROSSREFS
Sequence in context: A234301 A345249 A005440 * A139016 A367753 A377098
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 03 2011
STATUS
approved