A235018 - OEIS

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A235018

Number of (n+1) X (n+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

88, 1200, 14800, 170568, 1830768, 18670696, 180093160, 1680608680, 14967698864 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	LINKS	`Table of n, a(n) for n=1..9.`
	EXAMPLE	`Some solutions for n=4:` `4 0 2 3 4 3 2 0 5 1 1 0 2 1 0 2 0 4 2 0` `2 1 0 4 2 5 1 2 4 3 0 2 1 3 5 0 1 2 3 4` `4 0 2 3 4 3 2 0 5 1 4 3 5 4 3 2 0 4 2 0` `3 2 1 5 3 5 1 2 4 3 3 5 4 0 2 1 2 3 4 5` `2 4 0 1 2 1 0 4 3 5 1 0 2 1 0 0 4 2 0 4`
	CROSSREFS	`Diagonal of A235026.` `Sequence in context: A228744 A249294 A239274 * A228810 A245954 A248047` `Adjacent sequences: A235015 A235016 A235017 * A235019 A235020 A235021`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin, Jan 02 2014`
	STATUS	`approved`

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Last modified August 17 05:07 EDT 2022. Contains 356184 sequences. (Running on oeis4.)