A299555 - OEIS

A299555

Number of n X n 0..1 arrays with every element equal to 0, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

1, 5, 5, 34, 348, 4315, 88551, 2753155, 124402861, 8271451947 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	COMMENTS	`Diagonal of A299561.`
	LINKS	`Table of n, a(n) for n=1..10.`
	EXAMPLE	`Some solutions for n=5` `..0..0..0..0..0. .0..0..0..0..0. .0..0..0..1..1. .0..0..0..0..0` `..0..0..0..0..0. .0..1..1..1..0. .0..0..0..1..1. .0..0..0..0..0` `..0..0..0..0..0. .0..1..1..1..0. .0..0..0..1..1. .0..0..0..0..0` `..1..1..1..1..1. .0..1..1..1..0. .0..0..0..1..1. .0..0..0..0..0` `..1..1..1..1..1. .0..0..0..0..0. .0..0..0..1..1. .0..0..0..0..0`
	CROSSREFS	`Cf. A299561.` `Sequence in context: A317812 A298961 A298721 * A160608 A208950 A160672` `Adjacent sequences: A299552 A299553 A299554 * A299556 A299557 A299558`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin, Feb 12 2018`
	STATUS	`approved`

Last modified August 13 05:18 EDT 2022. Contains 356077 sequences. (Running on oeis4.)