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A269080 Number of 6Xn binary arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two not more than once. 1
64, 659, 10167, 123976, 1529241, 18220241, 210476400, 2427784475, 27272243911, 306906072088, 3392662878321, 37516091561153, 410121025237344, 4478699111368451, 48545701054002647, 525277883650197736 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 6 of A269075.
LINKS
EXAMPLE
Some solutions for n=4
..0..0..0..1. .1..0..0..1. .0..0..0..1. .1..0..1..0. .1..0..0..0
..1..0..0..0. .0..0..0..1. .0..0..0..0. .0..0..1..0. .1..0..0..0
..0..1..0..1. .1..0..0..0. .0..0..0..1. .0..0..0..1. .1..0..0..0
..0..0..0..1. .0..0..0..0. .0..0..0..0. .0..1..0..1. .1..0..0..0
..0..1..0..0. .1..0..1..1. .0..0..0..0. .0..0..0..0. .0..0..0..1
..0..0..0..1. .1..0..0..0. .1..0..0..1. .0..0..0..0. .1..1..0..1
CROSSREFS
Cf. A269075.
Sequence in context: A250233 A297666 A269586 * A221509 A283337 A187620
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 19 2016
STATUS
approved

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Last modified March 1 20:05 EST 2024. Contains 370443 sequences. (Running on oeis4.)