A230463 - OEIS

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A230463

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

0, 0, 114, 76518, 281740616, 8449174734112, 1929668277796729476, 3350063281301654212261806 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,3`
	COMMENTS	`Diagonal of A230469`
	LINKS	`Table of n, a(n) for n=1..8.`
	EXAMPLE	`Some solutions for n=3` `..0..1..0....0..0..2....0..0..2....0..1..0....0..1..1....0..0..2....0..1..0` `..0..0..2....1..1..2....0..1..1....2..0..0....2..2..0....1..1..0....0..0..2` `..1..2..1....0..2..0....0..2..0....1..2..2....1..0..2....0..2..1....2..2..1`
	CROSSREFS	`Sequence in context: A178409 A239654 A200577 * A200807 A084877 A060309` `Adjacent sequences: A230460 A230461 A230462 * A230464 A230465 A230466`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin, Oct 20 2013`
	STATUS	`approved`

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Last modified August 7 21:29 EDT 2022. Contains 355994 sequences. (Running on oeis4.)