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A283231 Number of nX7 0..1 arrays with no 1 equal to more than two of its horizontal and vertical neighbors, with the exception of exactly two elements. 1
0, 1376, 338397, 47531178, 5735340380, 628267302565, 64590243667344, 6347644826932771, 603124906010664854, 55820729585827738580, 5058732535887213720189, 450601583645724092513122 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 7 of A283232.
LINKS
EXAMPLE
Some solutions for n=2
..1..1..1..1..1..1..1. .1..1..1..1..1..0..1. .1..1..0..1..0..0..0
..0..0..0..1..0..1..0. .0..1..1..0..0..1..0. .1..1..1..1..1..1..1
CROSSREFS
Cf. A283232.
Sequence in context: A056087 A122692 A076760 * A283790 A345515 A345768
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 03 2017
STATUS
approved

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Last modified March 29 09:44 EDT 2024. Contains 371268 sequences. (Running on oeis4.)