A302470 Number of nX6 0..1 arrays with every element equal to 1, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

5, 537, 4556, 78679, 1141147, 16983273, 251512646, 3770915891, 55956081186, 833893659263, 12425468445171, 184984022231996, 2755209631126649, 41037597550949330, 611148006393620136, 9102191202242395266

Offset

1,1

Comments

Column 6 of A302472.

Links

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

Example

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

Crossrefs

Cf. A302472.

Sequence in context: A210821 A302222 A302668 * A303252 A112900 A259463

Adjacent sequences: A302467 A302468 A302469 * A302471 A302472 A302473

Keyword

nonn

Author

R. H. Hardin, Apr 08 2018

Status

approved