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A295530 Number of nX7 0..1 arrays with each 1 horizontally or vertically adjacent to 1, 2 or 4 1s. 1
37, 2735, 113466, 5400933, 253594307, 11938414614, 563330031268, 26515589323171, 1248681784524804, 58814998591494213, 2770085782332161201, 130464623191695045459, 6144598685123051237293, 289398247960170761817752 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A295531.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0..0..1..1. .0..0..0..1..0..1..1. .0..0..0..1..0..1..1
..0..0..0..0..0..0..0. .0..0..0..1..0..0..0. .0..0..0..1..1..1..1
..0..0..0..0..0..0..1. .0..0..0..0..0..1..0. .0..0..0..0..0..1..0
..0..0..0..1..0..0..1. .0..0..0..0..0..1..1. .0..0..0..1..1..0..0
..0..0..1..1..0..1..1. .0..0..0..0..0..0..1. .0..0..1..1..0..0..0
CROSSREFS
Cf. A295531.
Sequence in context: A296385 A296642 A295039 * A174750 A183524 A105839
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 23 2017
STATUS
approved

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Last modified March 4 07:47 EST 2024. Contains 370522 sequences. (Running on oeis4.)