A295603 Number of nX5 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 2, 3 or 4 1s.

13, 132, 1425, 16340, 201602, 2594128, 34416318, 465449155, 6367873016, 87714252101, 1213023621452, 16813627618462, 233358837307365, 3241261100572837, 45039211440470945, 626000092576446308

Offset

1,1

Comments

Column 5 of A295606.

Links

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

R. H. Hardin, Empirical recurrence of order 69

Formula

Empirical recurrence of order 69 (see link above)

Example

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

Crossrefs

Cf. A295606.

Sequence in context: A161498 A037715 A037617 * A199144 A198664 A332243

Adjacent sequences: A295600 A295601 A295602 * A295604 A295605 A295606

Keyword

nonn

Author

R. H. Hardin, Nov 24 2017

Status

approved