A298274 - OEIS

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A298274

Number of n X n 0..1 arrays with every element equal to 1, 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero.

0, 4, 129, 10679, 3214459, 3328434344, 11799327975543, 143597352796799615, 5998900161419245960408 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	COMMENTS	`Diagonal of A298280.`
	LINKS	`Table of n, a(n) for n=1..9.`
	EXAMPLE	`Some solutions for n=4` `..0..0..0..0. .0..0..1..0. .0..1..0..1. .0..0..1..0. .0..1..0..1` `..0..1..1..0. .0..1..1..0. .0..1..1..0. .1..1..1..0. .1..0..1..0` `..0..0..1..0. .0..1..1..0. .1..0..0..1. .0..0..1..0. .1..0..1..0` `..1..1..0..0. .1..0..1..0. .1..1..0..0. .0..1..0..1. .0..0..0..1`
	CROSSREFS	`Cf. A298280.` `Sequence in context: A057134 A041495 A188315 * A299136 A117897 A001425` `Adjacent sequences: A298271 A298272 A298273 * A298275 A298276 A298277`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin, Jan 16 2018`
	STATUS	`approved`

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Last modified March 26 02:09 EDT 2023. Contains 361529 sequences. (Running on oeis4.)