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A194502 Number of lower triangles of an n X n 0..5 array with each element unequal to the sum mod 6 of its horizontal and vertical neighbors 0
5, 125, 15804, 9765630, 30517578125, 476837158203125, 37252902986083985625 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A194505

LINKS

Table of n, a(n) for n=1..7.

EXAMPLE

Some solutions for 3X3

..2......2......5......4......1......4......0......1......1......1......5

..3.2....1.0....0.1....3.3....0.0....2.1....3.1....2.5....3.4....3.1....3.5

..3.2.1..2.3.0..1.4.3..1.1.5..0.5.3..2.3.2..1.5.1..4.5.4..1.3.1..3.1.0..1.1.4

CROSSREFS

Sequence in context: A013710 A202628 A109345 * A229868 A201839 A234609

Adjacent sequences:  A194499 A194500 A194501 * A194503 A194504 A194505

KEYWORD

nonn

AUTHOR

R. H. Hardin Aug 27 2011

STATUS

approved

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Last modified October 22 16:15 EDT 2021. Contains 348174 sequences. (Running on oeis4.)