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A303251 Number of nX5 0..1 arrays with every element equal to 1, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
3, 146, 955, 10264, 106803, 1105676, 11394429, 118856245, 1230109648, 12757693309, 132384613354, 1372891293534, 14239793474152, 147709542193598, 1532064286940632, 15891180965080859, 164830841395830095 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A303254.

LINKS

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

EXAMPLE

Some solutions for n=5

..0..1..0..0..0. .0..0..0..1..0. .0..0..1..0..1. .0..0..0..0..1

..1..0..1..1..1. .1..1..1..0..1. .0..0..0..1..0. .0..0..1..1..1

..1..1..1..0..0. .1..1..0..0..1. .0..1..0..1..1. .1..0..1..1..1

..0..0..1..0..1. .1..0..1..1..1. .1..1..0..1..1. .1..1..0..0..1

..0..0..1..1..0. .0..0..0..0..0. .1..0..0..0..1. .1..0..1..1..0

CROSSREFS

Cf. A303254.

Sequence in context: A302221 A302667 A302469 * A203759 A203312 A203742

Adjacent sequences:  A303248 A303249 A303250 * A303252 A303253 A303254

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 20 2018

STATUS

approved

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Last modified January 29 02:33 EST 2022. Contains 350672 sequences. (Running on oeis4.)