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A299522 Number of nXn 0..1 arrays with every element equal to 1, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero. 0
0, 4, 1, 166, 7116, 278292, 135080376, 167282094170, 363524287053851 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Diagonal of A299528.

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A299528.

Sequence in context: A125083 A094423 A262404 * A300140 A298939 A240098

Adjacent sequences:  A299519 A299520 A299521 * A299523 A299524 A299525

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 11 2018

STATUS

approved

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Last modified August 21 05:48 EDT 2019. Contains 326162 sequences. (Running on oeis4.)