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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
OFFSET
1,1
COMMENTS
Column 5 of A302528.
LINKS
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
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 09 2018
STATUS
approved