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A193369
Number of nXnXn triangular 0..4 arrays with no element equal to the product mod 5 of any two neighbors
0
5, 84, 1490, 47201, 3662548, 842977328, 556447909082, 978058297205626
OFFSET
1,1
EXAMPLE
Some solutions for 4X4X4
.....2........0........3........4........3........4........4........0
....0.2......4.3......0.3......0.1......2.2......0.3......4.0......4.2
...3.2.2....4.4.0....3.3.3....4.3.0....3.2.0....3.3.3....4.2.4....0.4.0
..0.3.3.2..0.4.2.4..0.3.3.0..2.0.1.4..0.3.2.3..2.2.0.3..0.4.4.3..4.4.3.1
CROSSREFS
Sequence in context: A006471 A258391 A061628 * A111911 A156720 A288163
KEYWORD
nonn
AUTHOR
R. H. Hardin Jul 24 2011
STATUS
approved