A286212 Number of n X 4 0..1 arrays with the number of 1's king-move adjacent to some 0 two less than the number of 0's adjacent to some 1.

0, 62, 684, 10056, 141018, 2053994, 30004158, 443275636, 6591532114, 98620717026, 1483077002788, 22402256622648, 339716751362128, 5169528508115318, 78910865975553660, 1207934007828690708, 18537787151292561428

Offset: 1

Author

R. H. Hardin, May 04 2017

Keywords

• nonn

Comments

Column 4 of A286216.

Examples

			Some solutions for n=4
..0..0..0..1. .1..0..1..0. .0..1..0..1. .1..0..0..0. .0..1..0..1
..1..1..0..0. .1..0..0..0. .0..0..1..1. .1..0..1..0. .0..1..0..0
..1..1..0..0. .0..0..1..0. .0..1..1..0. .0..0..0..1. .1..0..0..1
..1..0..1..0. .1..1..1..0. .1..0..0..0. .1..1..0..1. .1..1..0..0
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..186

Crossrefs

Cf. A286216.