A304146 Number of nX5 0..1 arrays with every element unequal to 1, 2, 3 or 6 king-move adjacent elements, with upper left element zero.

3, 70, 113, 157, 1198, 3484, 5336, 24401, 90422, 181207, 546435, 2145848, 5384036, 14024403, 50451725, 146104442, 380041407, 1229844944, 3792002096, 10307636574, 31216300901, 97335012472, 276264494954, 813345538228, 2514268412322

Offset

1,1

Comments

Column 5 of A304149.

Links

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

R. H. Hardin, Empirical recurrence of order 93

Formula

Empirical recurrence of order 93 (see link above)

Example

Some solutions for n=5
..0..1..0..1..1. .0..1..1..1..0. .0..0..0..1..0. .0..0..1..1..0
..1..1..0..0..1. .0..0..1..1..1. .1..1..1..0..1. .1..0..1..1..0
..0..0..0..0..0. .1..1..1..1..1. .1..1..1..1..1. .1..1..1..0..1
..0..0..1..0..0. .1..1..0..0..1. .1..0..1..0..0. .0..1..1..0..1
..1..0..1..1..0. .0..1..0..1..1. .0..0..1..1..0. .0..0..1..1..0

Crossrefs

Cf. A304149.

Sequence in context: A350720 A247031 A037109 * A305486 A132793 A305086

Adjacent sequences: A304143 A304144 A304145 * A304147 A304148 A304149

Keyword

nonn

Author

R. H. Hardin, May 07 2018

Status

approved