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A193329
Number of nXnXn triangular 0..7 arrays with each element equal to the product mod 8 of two neighbors
0
0, 17, 257, 95633, 157793394, 1646136115844
OFFSET
1,2
EXAMPLE
Some solutions for 4X4X4
.....6........4........1........1........7........1........7........1
....5.6......1.4......5.5......5.5......5.3......1.1......5.3......1.1
...5.1.0....1.1.4....6.2.1....5.5.0....5.3.1....5.1.1....7.5.7....2.3.4
..4.4.0.0..3.3.0.0..4.6.7.7..5.1.0.0..5.1.0.0..1.5.1.1..3.5.3.5..2.5.7.4
CROSSREFS
Sequence in context: A174408 A260072 A260407 * A256499 A217796 A014898
KEYWORD
nonn
AUTHOR
R. H. Hardin Jul 22 2011
STATUS
approved