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A302364
Number of nX5 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
1
1, 72, 154, 918, 6580, 49293, 367512, 2856621, 22185382, 172716970, 1347540710, 10518804501, 82131380313, 641409831341, 5009453613390, 39125509173987, 305589139123276, 2386818398723114, 18642433335189313, 145608500721079409
OFFSET
1,2
COMMENTS
Column 5 of A302367.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..1..0. .0..0..0..1..1. .0..1..1..0..0. .0..0..1..1..1
..1..0..0..1..1. .1..0..1..1..0. .1..1..0..0..1. .0..0..0..1..1
..1..0..0..0..1. .0..0..0..1..1. .1..1..1..0..0. .0..0..1..0..0
..0..0..0..1..1. .1..1..0..0..0. .0..0..0..1..1. .1..1..0..0..0
..0..0..1..1..1. .1..1..1..0..1. .1..0..0..1..1. .0..1..1..0..1
CROSSREFS
Cf. A302367.
Sequence in context: A240247 A044323 A044704 * A208087 A044404 A044785
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 06 2018
STATUS
approved