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A301327
Number of nX5 0..1 arrays with every element equal to 0, 2, 3, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
1
1, 13, 25, 143, 664, 2520, 12342, 59524, 283455, 1368684, 6584582, 31757409, 153111198, 738871291, 3563886998, 17195977666, 82965273154, 400306670558, 1931473330672, 9319427371662, 44966629489185, 216966438878737
OFFSET
1,2
COMMENTS
Column 5 of A301330.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0..0. .0..0..1..1..0. .0..0..1..0..0. .0..1..1..1..1
..0..1..1..0..1. .0..1..1..0..0. .0..1..1..0..0. .1..0..0..1..0
..1..1..0..1..1. .0..0..0..1..0. .0..0..1..1..0. .1..0..0..1..1
..0..0..1..0..0. .0..1..0..0..1. .0..0..1..1..0. .1..1..0..1..0
..0..1..1..0..0. .1..1..0..1..1. .1..0..0..0..1. .1..0..0..0..0
CROSSREFS
Cf. A301330.
Sequence in context: A283255 A322662 A151776 * A116524 A053404 A295794
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 18 2018
STATUS
approved