A235190 - OEIS

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A235190

Number of (n+1) X (n+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

136, 1544, 12176, 96848, 652872, 4812096, 31498952, 224694240, 1462784688, 10244417184 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	LINKS	`Table of n, a(n) for n=1..10.`
	EXAMPLE	`Some solutions for n=4:` `0 3 4 3 4 3 5 2 4 2 5 1 3 2 3 5 4 5 2 6` `6 4 0 4 0 5 2 4 1 4 2 3 0 4 0 2 6 2 4 3` `2 5 6 5 6 1 3 0 2 0 5 1 3 2 3 5 4 5 2 6` `6 4 0 4 0 5 2 4 1 4 3 4 1 5 1 2 6 2 4 3` `2 5 6 5 6 2 4 1 3 1 6 2 4 3 4 4 3 4 1 5`
	CROSSREFS	`Diagonal of A235198.` `Sequence in context: A251168 A023070 A015163 * A249985 A072897 A254703` `Adjacent sequences: A235187 A235188 A235189 * A235191 A235192 A235193`
	KEYWORD	`nonn,more,changed`
	AUTHOR	`R. H. Hardin, Jan 04 2014`
	STATUS	`approved`

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Last modified June 28 19:10 EDT 2022. Contains 354907 sequences. (Running on oeis4.)