A264953 - OEIS

A264953

Number of nX3 arrays containing 3 copies of 0..n-1 with no equal horizontal or vertical neighbors.

0, 2, 36, 10728, 4857120, 4099655520, 5589688315680, 11532215497783680 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	COMMENTS	`Column 3 of A264954.`
	LINKS	`Table of n, a(n) for n=1..8.`
	EXAMPLE	`Some solutions for n=4` `..3..1..2....3..2..0....0..3..1....1..0..2....1..3..1....2..0..3....0..3..0` `..1..3..0....2..1..2....1..0..2....0..2..3....0..1..2....1..3..1....3..0..1` `..0..1..2....3..0..1....2..3..0....3..1..0....2..3..0....3..0..2....2..1..2` `..2..3..0....1..3..0....3..1..2....1..3..2....3..0..2....2..1..0....1..2..3`
	CROSSREFS	`Cf. A264954.` `Sequence in context: A060739 A333209 A224733 * A308942 A134366 A265944` `Adjacent sequences: A264950 A264951 A264952 * A264954 A264955 A264956`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin, Nov 29 2015`
	STATUS	`approved`

Last modified March 27 18:55 EDT 2023. Contains 361575 sequences. (Running on oeis4.)