A282884 Number of nX7 0..1 arrays with no 1 equal to more than one of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element.

26, 1414, 67676, 2342046, 80114311, 2561487246, 79687436788, 2422749969094, 72384911847530, 2134206947210504, 62249002221009867, 1799694062835383562, 51649085124007452943, 1473029187027581364502, 41785825649251975653356

Offset: 1

Author

R. H. Hardin, Feb 24 2017

Keywords

• nonn

Comments

Column 7 of A282885.

Examples

			Some solutions for n=3
..1..1..0..0..0..1..1. .0..1..1..0..0..0..1. .1..0..1..0..0..0..0
..0..0..0..1..0..0..0. .0..0..1..0..0..1..0. .0..0..1..0..0..0..0
..0..0..0..0..1..1..1. .1..0..0..0..0..0..1. .0..0..0..0..1..1..1
		

Links

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

Crossrefs

Cf. A282885.