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A302725

Number of n X 5 0..1 arrays with every element equal to 1, 2, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

3, 27, 74, 287, 1307, 4491, 17828, 80293, 304958, 1254491, 5534905, 22489246, 94732609, 413955598, 1740468900, 7436093945, 32346857005, 138259463124, 595133929409, 2583681234015, 11128738383880, 48080514602454

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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