A297634 Number of nX5 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 2 or 3 neighboring 1s.

13, 200, 1657, 17305, 201152, 2171757, 24145671, 273842684, 3092881435, 35110077545, 400276960038, 4567462620785, 52189630360815, 597005689977118, 6832934080303081, 78239896705464813, 896178916746000410

Offset

1,1

Comments

Column 5 of A297637.

Links

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

R. H. Hardin, Empirical recurrence of order 68

Formula

Empirical recurrence of order 68 (see link above)

Example

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

Crossrefs

Cf. A297637.

Sequence in context: A157690 A354437 A239285 * A305147 A055478 A121503

Adjacent sequences: A297631 A297632 A297633 * A297635 A297636 A297637

Keyword

nonn

Author

R. H. Hardin, Jan 02 2018

Status

approved