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A295646 Number of n X n 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1, 3 or 4 1's. 0
2, 11, 184, 8391, 1117226, 426233396, 468469936974, 1481365505094176, 13481259599060854448, 353057109477250625199058, 26608269052923054935486338857 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Diagonal of A295652.
LINKS
EXAMPLE
Some solutions for n=4
..0..1..0..1. .0..0..0..0. .0..0..1..0. .0..1..1..0. .0..1..0..1
..0..0..0..0. .0..0..1..0. .0..1..1..1. .0..0..0..0. .0..0..1..0
..0..1..1..0. .1..0..0..0. .0..0..1..0. .0..0..1..0. .1..0..0..0
..0..0..0..1. .1..0..0..0. .0..0..0..1. .0..1..0..0. .0..0..1..1
CROSSREFS
Cf. A295652.
Sequence in context: A295246 A288564 A368561 * A124836 A365361 A013104
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 25 2017
STATUS
approved

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Last modified July 18 16:16 EDT 2024. Contains 374388 sequences. (Running on oeis4.)