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A295936 Number of nXn 0..1 arrays with each 1 adjacent to 1 or 3 king-move neighboring 1s. 0
1, 8, 41, 534, 29081, 1806751, 279143247, 117889600265, 88388227122806, 148870684494729283, 583554206857942919950 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Diagonal of A295943.

LINKS

Table of n, a(n) for n=1..11.

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A295943.

Sequence in context: A304466 A228480 A067301 * A204572 A086392 A234860

Adjacent sequences:  A295933 A295934 A295935 * A295937 A295938 A295939

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 30 2017

STATUS

approved

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Last modified October 16 06:34 EDT 2019. Contains 328051 sequences. (Running on oeis4.)