A295039 Number of nX7 0..1 arrays with each 1 horizontally or vertically adjacent to 1 or 2 1s.

37, 2735, 104096, 4738235, 209181266, 9248214732, 411280569141, 18227207589288, 807975522778623, 35828949243544333, 1588724655137268304, 70444327993290622210, 3123514826860958239480, 138498446900583005504125

Offset: 1

Author

R. H. Hardin, Nov 12 2017

Keywords

• nonn

Comments

Column 7 of A295040.

Examples

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

Links

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

Crossrefs

Cf. A295040.