A295912 - OEIS

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A295912

Number of n X n 0..1 arrays with each 1 adjacent to 0 or 3 king-move neighboring 1's.

2, 6, 39, 467, 10290, 431844, 33703065, 4933593439, 1353357158724, 695062929397500, 668849535352606829, 1205528922118577365911

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Diagonal of A295918.

LINKS

Table of n, a(n) for n=1..12.

EXAMPLE

Some solutions for n=5

..0..0..0..0..0. .1..0..0..0..0. .1..0..1..0..1. .0..0..0..0..0

..0..1..0..0..0. .0..0..1..0..1. .0..0..0..0..0. .0..0..1..0..0

..0..0..0..0..1. .0..0..0..0..0. .0..0..0..0..0. .1..0..0..0..1

..0..0..0..0..0. .0..0..0..0..0. .0..0..0..1..1. .0..0..0..0..0

..1..0..0..0..1. .0..0..1..0..0. .0..1..0..1..1. .0..0..0..0..0

CROSSREFS

Cf. A295918.

Sequence in context: A060421 A054970 A211348 * A120492 A028300 A132192

Adjacent sequences: A295909 A295910 A295911 * A295913 A295914 A295915

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 29 2017

STATUS

approved