A303517 Number of 6Xn 0..1 arrays with every element equal to 0, 1, 2, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

32, 857, 9916, 59086, 613788, 8883058, 104285205, 1111578890, 12729154167, 150441244067, 1740761352791, 19932259600088, 230057698649890, 2664331206902357, 30786581173532825, 355358272860602754

Offset

1,1

Comments

Row 6 of A303513.

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=5
..0..0..0..0..0. .0..0..0..1..0. .0..0..0..1..0. .0..1..0..0..0
..0..1..0..1..0. .0..1..0..1..0. .0..0..0..1..0. .0..1..0..1..0
..0..1..1..1..0. .1..0..0..1..1. .1..1..0..1..0. .0..1..1..0..1
..0..1..0..1..0. .0..1..0..0..1. .0..1..0..0..1. .0..1..0..1..0
..1..0..0..0..0. .0..1..0..1..0. .1..0..0..1..0. .1..0..0..1..0
..0..0..1..0..1. .1..1..0..0..0. .1..1..0..1..1. .0..1..0..1..1

Crossrefs

Cf. A303513.

Sequence in context: A302327 A303020 A302824 * A240482 A240634 A222606

Adjacent sequences: A303514 A303515 A303516 * A303518 A303519 A303520

Keyword

nonn

Author

R. H. Hardin, Apr 25 2018

Status

approved