A302425 Number of nX6 0..1 arrays with every element equal to 0, 1, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

13, 65, 88, 235, 1359, 4231, 12527, 49454, 179252, 587281, 2082252, 7515919, 25867500, 90085908, 319677011, 1117899288, 3899010020, 13715991402, 48120168332, 168313465520, 590354141418, 2071069227598, 7254935551371

Offset

1,1

Comments

Column 6 of A302427.

Links

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

Example

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

Crossrefs

Cf. A302427.

Sequence in context: A264513 A302161 A302633 * A303195 A283169 A010820

Adjacent sequences: A302422 A302423 A302424 * A302426 A302427 A302428

Keyword

nonn

Author

R. H. Hardin, Apr 07 2018

Status

approved