A302431 Number of 6Xn 0..1 arrays with every element equal to 0, 1, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

32, 42, 93, 362, 992, 4231, 14764, 53851, 182216, 685166, 2496115, 9055292, 32007765, 116943901, 427027396, 1549343892, 5552467791, 20133254864, 73288484477, 265972968443, 958816836857, 3470377190140, 12600871895519

Offset: 1

Author

R. H. Hardin, Apr 07 2018

Keywords

• nonn

Comments

Row 6 of A302427.

Examples

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

Links

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

Crossrefs

Cf. A302427.