A230913 Number of nX6 0..7 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 8, and upper left element zero

0, 8, 1650, 154352, 16515468, 1821132074, 198872246508, 21679064102116, 2364862422099058, 257998825106362242, 28145414002555763394, 3070395667534086308108, 334951970767843594487436

Offset

1,2

Comments

Column 6 of A230915

Links

R. H. Hardin, Table of n, a(n) for n = 1..151

Example

Some solutions for n=3
..0..1..0..7..2..3....0..1..4..5..0..1....0..1..2..3..4..5....0..1..2..1..0..1
..2..3..6..5..4..3....2..3..6..7..2..1....0..1..0..7..6..5....0..3..4..3..2..1
..4..5..2..3..2..1....4..5..4..3..0..7....0..7..6..3..4..3....2..5..6..7..0..7

Crossrefs

Sequence in context: A317822 A318429 A318097 * A163017 A221136 A230512

Adjacent sequences: A230910 A230911 A230912 * A230914 A230915 A230916

Keyword

nonn

Author

R. H. Hardin, Nov 01 2013

Status

approved