A205458 - OEIS

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A205458

Number of (n+1)X(n+1) 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock differing from each horizontal or vertical neighbor

256, 34792, 22414008, 69248994984, 1002427910938748, 68862365329186909360 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Diagonal of A205466`
	LINKS	`Table of n, a(n) for n=1..6.`
	EXAMPLE	`Some solutions for n=4` `..0..3..3..0..1....1..1..3..3..0....0..3..2..1..0....2..0..3..1..1` `..0..1..0..0..2....3..1..0..3..2....2..2..3..0..1....2..1..1..2..0` `..1..2..0..0..0....1..2..2..0..0....1..3..3..1..1....3..3..2..2..1` `..0..3..1..3..1....2..2..2..0..0....1..3..3..0..2....1..0..0..3..0` `..1..0..0..1..1....2..2..3..2..0....3..0..1..1..1....3..3..1..1..3`
	CROSSREFS	`Sequence in context: A205362 A206101 A221091 * A206744 A207791 A018798` `Adjacent sequences: A205455 A205456 A205457 * A205459 A205460 A205461`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin Jan 27 2012`
	STATUS	`approved`

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Last modified April 1 05:25 EDT 2023. Contains 361673 sequences. (Running on oeis4.)