A301324 - OEIS

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A301324

Number of n X n 0..1 arrays with every element equal to 0, 2, 3, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

1, 3, 7, 45, 664, 17491, 1127238, 135428462, 34057380439, 17040140705965 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	COMMENTS	`Diagonal of A301330.`
	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..0..0. .0..0..1..1..1` `..0..1..0..1..0. .0..1..0..1..1. .0..1..0..1..0. .0..1..0..0..1` `..0..1..1..0..0. .0..1..1..1..0. .1..1..1..1..0. .0..1..0..1..1` `..0..0..0..1..1. .0..0..0..0..0. .1..1..1..0..0. .0..1..1..0..0` `..1..0..1..1..0. .0..1..0..0..1. .0..1..1..0..1. .0..0..0..0..1`
	CROSSREFS	`Cf. A301330.` `Sequence in context: A041349 A041016 A351354 * A184339 A294915 A003758` `Adjacent sequences: A301321 A301322 A301323 * A301325 A301326 A301327`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin, Mar 18 2018`
	STATUS	`approved`

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Last modified March 20 22:57 EDT 2023. Contains 361392 sequences. (Running on oeis4.)