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A297653 Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 3 neighboring 1s. 1
37, 6757, 268655, 16899640, 1075678445, 63350980838, 3863740405975, 234680441414485, 14203234114710492, 861618662716079824, 52240779255897230595, 3167041273737179764100, 192025471018913375268462 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A297654.
LINKS
EXAMPLE
Some solutions for n=2
..1..1..0..1..0..1..1. .1..1..0..1..1..0..1. .0..1..0..0..0..1..1
..0..0..1..0..0..1..0. .0..0..1..1..0..1..1. .0..0..1..1..1..1..1
CROSSREFS
Cf. A297654.
Sequence in context: A221034 A221498 A296687 * A273196 A131272 A219105
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 02 2018
STATUS
approved

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)