A264265 - OEIS

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A264265

Number of (n+1)X(n+1) arrays of permutations of 0..(n+1)^2-1 with each element having index change +-(.,.) 0,0 1,0 or 1,2.

4, 48, 3721, 1143000, 1608491236, 10563801093680, 324302970384650401, 44925988058251637085336 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Diagonal of A264272.`
	LINKS	`Table of n, a(n) for n=1..8.`
	EXAMPLE	`Some solutions for n=3` `..6..1..2..7....4..1..2..7....0..7..2..3....4..1..2..3....4..1..6..3` `..8.11..0..3....0.11.10..3....4..9.10..1....0..5..6.11....0..9..2..7` `..4..9.10..5...12.13..6..5....8.15..6..5...12.13.10..7...12..5.14.11` `.12.13.14.15....8..9.14.15...12.13.14.11....8..9.14.15....8.13.10.15`
	CROSSREFS	`Cf. A264272.` `Sequence in context: A239162 A136384 A123373 * A132510 A058311 A189347` `Adjacent sequences: A264262 A264263 A264264 * A264266 A264267 A264268`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin, Nov 10 2015`
	STATUS	`approved`

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Last modified May 18 04:22 EDT 2021. Contains 343994 sequences. (Running on oeis4.)