A231443 - OEIS

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A231443

Number of (n+1)X(n+1) 0..3 arrays with no element unequal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..3 introduced in row major order

2, 15, 340, 33659, 9796477, 9081622778, 23670993512633, 180549324060008725, 3898800271416067773477 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Diagonal of A231451`
	LINKS	`Table of n, a(n) for n=1..9.`
	EXAMPLE	`Some solutions for n=4` `..0..0..1..1..1....0..0..0..0..0....0..0..0..0..0....0..0..1..1..1` `..0..1..0..0..2....1..1..0..0..0....1..1..1..1..2....0..1..1..1..1` `..1..0..0..2..1....1..2..2..2..0....1..1..1..2..2....1..1..1..0..0` `..2..2..2..1..1....2..2..2..0..2....2..2..2..1..1....1..1..0..0..1` `..3..3..3..3..3....0..0..0..2..2....2..2..1..1..1....0..0..0..1..1`
	CROSSREFS	`Sequence in context: A030642 A297077 A175563 * A068391 A215743 A254224` `Adjacent sequences: A231440 A231441 A231442 * A231444 A231445 A231446`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin, Nov 09 2013`
	STATUS	`approved`

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Last modified March 21 09:21 EDT 2023. Contains 361400 sequences. (Running on oeis4.)