A284112 Number of n X 7 0..1 arrays with the number of 1's king-move adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero.

33, 2095, 67957, 16442183, 835390074, 202053817163, 12336109217951, 2717300368732547, 189648871247418668, 38157272354610084376, 2957145586181369921070, 550690134528386541356991

Offset: 1

Author

R. H. Hardin, Mar 20 2017

Keywords

• nonn

Comments

Column 7 of A284113.

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..28

Crossrefs

Cf. A284113.