A297800 Number of nX6 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 5 neighboring 1s.

1, 105, 1320, 16006, 320168, 5511367, 91376524, 1587468720, 27421636815, 470544728613, 8106158053425, 139669854334501, 2404648275368779, 41411751712923850, 713227235336676149, 12282835762563772060

Offset: 1

Author

R. H. Hardin, Jan 06 2018

Keywords

• nonn

Comments

Column 6 of A297802.

Examples

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

Links

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

Crossrefs

Cf. A297802.