A221137 - OEIS

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A221137

Number of nX6 arrays of occupancy after each element moves to some horizontal or vertical neighbor, with no occupancy greater than 2

16, 9801, 3485689, 1539699121, 619901126244, 259039174953636, 106295637843093924, 43910419047705413284 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Column 6 of A221139`
	LINKS	`Table of n, a(n) for n=1..8.`
	EXAMPLE	`Some solutions for n=3` `..0..1..1..2..2..1....0..2..1..2..0..1....0..1..2..1..0..1....0..1..2..1..2..0` `..0..0..1..1..0..2....0..1..1..2..1..1....0..1..2..1..0..2....0..2..2..0..1..0` `..1..2..2..1..0..1....0..1..2..0..2..1....1..2..2..2..0..0....0..2..2..1..1..1`
	CROSSREFS	`Sequence in context: A265177 A151641 A265240 * A006448 A017092 A265634` `Adjacent sequences: A221134 A221135 A221136 * A221138 A221139 A221140`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin Jan 02 2013`
	STATUS	`approved`

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