A230591 Number of nX5 0..5 arrays x(i,j) with each element horizontally or vertically next to at least one element with value (x(i,j)+1) mod 6, and upper left element zero

0, 30, 2966, 225010, 20908278, 1902360932, 166037342468, 14405585585446, 1255996103473364, 109770330661494122, 9594687295739345186, 838423302465551539930

Offset

1,2

Comments

Column 5 of A230592

Links

Table of n, a(n) for n=1..12.

Example

Some solutions for n=3
..0..3..2..1..0....0..3..4..5..0....0..1..2..3..2....0..1..2..1..0
..1..4..5..0..3....1..2..1..4..1....1..2..1..4..1....3..0..3..2..5
..2..3..2..5..4....0..1..2..3..2....2..3..4..5..0....4..5..4..3..4

Crossrefs

Sequence in context: A352652 A108091 A036363 * A352182 A001459 A303007

Adjacent sequences: A230588 A230589 A230590 * A230592 A230593 A230594

Keyword

nonn

Author

R. H. Hardin, Oct 24 2013

Status

approved