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A302725 Number of nX5 0..1 arrays with every element equal to 1, 2, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
3, 27, 74, 287, 1307, 4491, 17828, 80293, 304958, 1254491, 5534905, 22489246, 94732609, 413955598, 1740468900, 7436093945, 32346857005, 138259463124, 595133929409, 2583681234015, 11128738383880, 48080514602454 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A302728.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A302728.

Sequence in context: A120117 A152759 A302275 * A166102 A316754 A045491

Adjacent sequences:  A302722 A302723 A302724 * A302726 A302727 A302728

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 12 2018

STATUS

approved

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Last modified January 22 02:06 EST 2020. Contains 331133 sequences. (Running on oeis4.)