A299653 Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.

64, 8192, 908360, 104711327, 12030404350, 1383316377321, 159047224409362, 18286872879292507, 2102576561069853097, 241748833344365308506, 27795656314762148558055, 3195872788678032297914781

Offset: 1

Author

R. H. Hardin, Feb 15 2018

Keywords

• nonn

Comments

Column 7 of A299654.

Examples

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

Links

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

Crossrefs

Cf. A299654.