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A297456
Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0 or 2 neighboring 1s.
1
34, 1009, 14817, 303202, 6088511, 116817805, 2300975096, 45221328552, 886373249313, 17409070701573, 341863872105465, 6712377416974974, 131817021027782984, 2588586265036681044, 50833896623765794649
OFFSET
1,1
COMMENTS
Column 7 of A297457.
LINKS
EXAMPLE
Some solutions for n=3
..0..0..1..0..1..0..1. .1..0..1..0..0..0..1. .0..0..1..0..0..0..0
..1..0..0..0..0..0..0. .0..0..1..0..0..0..0. .0..1..0..1..0..0..1
..0..0..1..0..0..0..0. .0..0..0..0..0..1..0. .0..0..1..0..0..0..1
CROSSREFS
Cf. A297457.
Sequence in context: A134500 A098607 A075292 * A328350 A365993 A275294
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 30 2017
STATUS
approved