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A299315 Number of n X n 0..1 arrays with every element equal to 0, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero. 0
1, 1, 15, 12, 1306, 44381, 7885194, 3745566028, 4909629881306 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Diagonal of A299321.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A299321.

Sequence in context: A273445 A338069 A195533 * A072348 A317422 A129786

Adjacent sequences:  A299312 A299313 A299314 * A299316 A299317 A299318

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 06 2018

STATUS

approved

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Last modified July 6 02:58 EDT 2022. Contains 355108 sequences. (Running on oeis4.)