A230330 - OEIS

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A230330

Number of n X n 0..2 arrays x(i,j) with each element horizontally, vertically or antidiagonally next to at least one element with value (x(i,j)+1) mod 3, and upper left element zero

0, 6, 534, 438284, 2788320240, 137077642883940, 52211092034409972862, 154024647784870223714406548, 3519277849947878097413487571658476 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	COMMENTS	`Diagonal of A230337`
	LINKS	`Table of n, a(n) for n=1..9.`
	EXAMPLE	`Some solutions for n=3` `..0..0..0....0..1..0....0..2..2....0..2..1....0..0..2....0..0..1....0..1..2` `..1..2..1....2..0..0....1..0..1....1..0..1....1..2..2....1..2..1....1..0..0` `..1..2..0....2..2..1....0..2..1....2..0..2....1..1..0....0..2..0....2..1..2`
	CROSSREFS	`Sequence in context: A000411 A180431 A202967 * A252174 A251697 A173789` `Adjacent sequences: A230327 A230328 A230329 * A230331 A230332 A230333`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin, Oct 16 2013`
	STATUS	`approved`

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Last modified May 23 03:15 EDT 2022. Contains 353959 sequences. (Running on oeis4.)