A303078 - OEIS

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A303078

Number of n X n 0..1 arrays with every element equal to 0, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

1, 2, 32, 90, 11767, 409478, 266882021, 218955384065, 942790501392266 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	COMMENTS	`Diagonal of A303084.`
	LINKS	`Table of n, a(n) for n=1..9.`
	EXAMPLE	`Some solutions for n=5` `..0..1..1..1..1. .0..0..1..1..1. .0..0..1..0..0. .0..0..1..0..0` `..0..1..1..1..0. .0..0..0..1..1. .1..0..0..0..0. .1..0..0..0..1` `..0..1..0..1..1. .0..0..1..1..0. .1..0..0..0..1. .1..0..0..0..1` `..1..1..1..1..0. .0..0..1..1..1. .1..0..1..0..1. .0..0..1..0..1` `..0..1..1..1..1. .1..0..0..1..1. .0..0..0..0..0. .0..0..0..0..0`
	CROSSREFS	`Cf. A303084.` `Sequence in context: A139732 A037313 A122127 * A226395 A257965 A191997` `Adjacent sequences: A303075 A303076 A303077 * A303079 A303080 A303081`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin, Apr 18 2018`
	STATUS	`approved`

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Last modified March 26 09:11 EDT 2023. Contains 361529 sequences. (Running on oeis4.)