A297717 Number of nX5 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 4 neighboring 1s.

12, 258, 2717, 36981, 512354, 6812856, 91994155, 1242370107, 16741579726, 225799768740, 3045362800259, 41068189990009, 553851481354328, 7469298996031612, 100731170465697137, 1358466913972452523

Offset: 1

Author

R. H. Hardin, Jan 04 2018

Keywords

• nonn

Comments

Column 5 of A297720.

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..210
• R. H. Hardin, Empirical recurrence of order 87

Crossrefs

Cf. A297720.

Formula

Empirical recurrence of order 87 (see link above)