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A302525 Number of nX5 0..1 arrays with every element equal to 1, 2, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
3, 27, 100, 539, 3683, 17546, 92603, 615351, 3268978, 18424095, 115923699, 662227998, 3859905731, 23738169083, 140046826890, 831779950595, 5066753588103, 30319152922838, 181816222213079, 1103244221147287 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A302528.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A302528.

Sequence in context: A343135 A343105 A200977 * A303407 A173491 A195799

Adjacent sequences:  A302522 A302523 A302524 * A302526 A302527 A302528

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 09 2018

STATUS

approved

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Last modified July 2 12:39 EDT 2022. Contains 355004 sequences. (Running on oeis4.)