A299302 - OEIS

A299302

Number of n X n 0..1 arrays with every element equal to 1, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.

0, 4, 56, 1024, 55390, 6525374, 1227812226, 723886147451, 1084184652392138 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	COMMENTS	`Diagonal of A299307.`
	LINKS	`Table of n, a(n) for n=1..9.`
	EXAMPLE	`Some solutions for n=5` `..0..0..1..1..0. .0..0..1..0..0. .0..0..1..1..0. .0..0..1..0..1` `..0..1..0..0..0. .1..0..0..1..1. .0..0..1..0..1. .1..1..1..1..0` `..1..1..0..1..0. .1..0..0..0..0. .0..0..1..0..1. .1..1..1..1..0` `..0..1..0..1..0. .0..0..0..1..0. .0..0..1..0..0. .1..1..0..1..1` `..0..0..1..0..1. .1..1..0..0..1. .0..0..1..1..1. .0..0..1..0..1`
	CROSSREFS	`Cf. A299307.` `Sequence in context: A298383 A326289 A078533 * A327199 A358886 A009058` `Adjacent sequences: A299299 A299300 A299301 * A299303 A299304 A299305`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin, Feb 06 2018`
	STATUS	`approved`

Last modified March 26 17:05 EDT 2023. Contains 361551 sequences. (Running on oeis4.)