A234704 - OEIS

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A234704

Number of (n+1) X (n+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6 (constant-stress 1 X 1 tilings).

322, 7154, 87698, 1108418, 9883666, 104373122, 850224914, 8324205794 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	LINKS	`Table of n, a(n) for n=1..8.`
	EXAMPLE	`Some solutions for n=3:` `6 2 2 2 2 5 4 5 0 5 0 6 3 6 2 3 4 3 5 1` `4 6 0 6 4 1 6 1 6 5 6 6 7 4 6 1 2 7 3 5` `7 3 3 3 2 5 4 5 1 6 1 7 4 7 3 4 6 5 7 3` `4 6 0 6 3 0 5 0 1 0 1 1 6 3 5 0 1 6 2 4`
	CROSSREFS	`Diagonal of A234712.` `Sequence in context: A234712 A234705 A324629 * A266885 A253368 A334182` `Adjacent sequences: A234701 A234702 A234703 * A234705 A234706 A234707`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin, Dec 29 2013`
	STATUS	`approved`

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Last modified July 5 05:47 EDT 2022. Contains 355087 sequences. (Running on oeis4.)