A302155 Number of 7 X n 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero.

64, 1, 260, 1025, 8152, 128319, 1728734, 26544210, 439103633, 7478635467, 131386907715, 2344378104516, 42235221450124, 765312882037454, 13907043370373429, 253045503157946243, 4606517701125024786

Offset: 1

Author

R. H. Hardin, Apr 02 2018

Keywords

• nonn

Comments

Row 7 of A302150.

Examples

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

Links

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

Crossrefs

Cf. A302150.