A316998 - OEIS

A316998

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

1, 8, 162, 7665, 854383, 223714229, 140997597309, 211618250694112, 754017146499756182 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	COMMENTS	`Diagonal of A317004.`
	LINKS	`Table of n, a(n) for n=1..9.`
	EXAMPLE	`Some solutions for n=5` `..0..0..0..0..1. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..1` `..0..0..0..1..1. .0..1..1..1..1. .0..0..1..1..1. .0..0..0..1..1` `..1..1..1..1..1. .1..1..1..1..1. .0..1..1..1..0. .1..1..1..1..1` `..1..0..1..1..1. .1..1..1..0..1. .1..1..0..1..0. .1..0..1..0..1` `..0..1..0..1..1. .0..1..1..0..0. .0..1..1..1..0. .0..1..0..0..1`
	CROSSREFS	`Cf. A317004.` `Sequence in context: A183813 A222274 A061711 * A075387 A143857 A025606` `Adjacent sequences: A316995 A316996 A316997 * A316999 A317000 A317001`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin, Jul 18 2018`
	STATUS	`approved`

Last modified May 25 12:00 EDT 2022. Contains 354071 sequences. (Running on oeis4.)