A298896 - OEIS

A298896

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

0, 1, 1, 4, 32, 963, 44186, 9994726, 4485120457, 6962969227448 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,4`
	COMMENTS	`Diagonal of A298902.`
	LINKS	`Table of n, a(n) for n=1..10.`
	EXAMPLE	`Some solutions for n=5` `..0..0..1..1..1. .0..0..1..1..1. .0..0..0..1..1. .0..0..0..1..1` `..0..0..1..1..1. .0..0..1..1..1. .0..0..0..1..1. .0..0..0..1..1` `..0..1..1..1..1. .1..1..1..1..1. .1..1..0..1..1. .1..1..1..0..0` `..0..0..1..1..1. .1..1..1..0..0. .1..1..0..0..0. .1..1..1..0..0` `..0..0..1..1..1. .1..1..1..0..0. .1..1..0..0..0. .1..1..1..0..0`
	CROSSREFS	`Cf. A298902.` `Sequence in context: A132854 A136471 A243918 * A231991 A028369 A081790` `Adjacent sequences: A298893 A298894 A298895 * A298897 A298898 A298899`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin, Jan 28 2018`
	STATUS	`approved`

Last modified March 30 07:38 EDT 2023. Contains 361606 sequences. (Running on oeis4.)