A299222 - OEIS

A299222

Number of n X n 0..1 arrays with every element equal to 1, 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.

0, 4, 113, 5663, 766094, 281251424, 260938102438, 624662873923282, 3865535525302817693 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	COMMENTS	`Diagonal of A299228.`
	LINKS	`Table of n, a(n) for n=1..9.`
	EXAMPLE	`Some solutions for n=5` `..0..0..0..0..1. .0..0..1..0..0. .0..0..1..0..0. .0..0..0..1..0` `..0..1..0..0..1. .0..1..0..0..1. .0..1..0..0..1. .0..1..1..1..0` `..1..0..0..0..0. .1..1..1..0..1. .1..0..1..1..0. .1..0..0..0..1` `..0..1..1..1..1. .0..1..0..1..0. .0..1..0..0..1. .0..1..0..0..1` `..0..1..1..0..0. .1..0..0..0..1. .1..0..0..1..0. .0..0..0..0..0`
	CROSSREFS	`Cf. A299228.` `Sequence in context: A103499 A298331 A299394 * A300036 A199834 A194495` `Adjacent sequences: A299219 A299220 A299221 * A299223 A299224 A299225`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin, Feb 05 2018`
	STATUS	`approved`

Last modified May 19 03:44 EDT 2022. Contains 353826 sequences. (Running on oeis4.)