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A296032 Number of n X n 0..1 arrays with each 1 adjacent to 2 or 4 king-move neighboring 1's. 0
1, 5, 31, 204, 8472, 472540, 39608385, 10042412853, 5131681923323, 4854151578229861, 10472350366798925062 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Diagonal of A296039.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A296039.

Sequence in context: A084235 A288688 A002469 * A301420 A092636 A178792

Adjacent sequences:  A296029 A296030 A296031 * A296033 A296034 A296035

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 03 2017

STATUS

approved

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Last modified July 4 14:51 EDT 2020. Contains 335448 sequences. (Running on oeis4.)