A295119 Number of nX7 0..1 arrays with each 1 horizontally or vertically adjacent to 1 or 4 1s.

13, 178, 1960, 24347, 295083, 3590821, 43655680, 530696748, 6452840307, 78464174127, 953998068679, 11599362088138, 141035410432226, 1714816891986887, 20850061397844599, 253511401875888073

Offset: 1

Author

R. H. Hardin, Nov 15 2017

Keywords

• nonn

Comments

Column 7 of A295120.

Examples

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

Links

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

Crossrefs

Cf. A295120.