A316507 - OEIS

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A316507

Number of nXn 0..1 arrays with every element unequal to 2, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

0, 3, 16, 1321, 317264, 295326468, 990266635029, 12088043573966128, 535440346291887704215 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	COMMENTS	`Diagonal of A316511.`
	LINKS	`Table of n, a(n) for n=1..9.`
	EXAMPLE	`Some solutions for n=5` `..0..1..0..1..0. .0..0..0..1..0. .0..1..0..1..0. .0..1..0..1..0` `..0..1..1..0..1. .1..1..1..0..1. .0..1..1..1..1. .0..1..1..0..1` `..1..0..1..1..0. .0..0..1..0..0. .0..0..0..0..0. .1..0..1..1..0` `..0..1..0..0..1. .1..1..0..1..1. .1..0..0..1..1. .1..1..0..0..0` `..1..0..1..1..0. .0..1..1..0..0. .0..1..1..1..0. .0..1..1..1..1`
	CROSSREFS	`Cf. A316511.` `Sequence in context: A002794 A132559 A304761 * A317459 A080273 A096404` `Adjacent sequences: A316504 A316505 A316506 * A316508 A316509 A316510`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin, Jul 05 2018`
	STATUS	`approved`

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Last modified July 6 06:13 EDT 2022. Contains 355108 sequences. (Running on oeis4.)