A235190 - OEIS

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A235190

Number of (n+1)X(n+1) 0..6 arrays with every 2X2 subblock having its diagonal sum differing from its antidiagonal sum by 5, with no adjacent elements equal (constant stress tilted 1X1 tilings)

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

	OFFSET	`1,1`
	COMMENTS	`Diagonal of A235198`
	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	`Sequence in context: A251168 A023070 A015163 * A249985 A072897 A254703` `Adjacent sequences: A235187 A235188 A235189 * A235191 A235192 A235193`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin, Jan 04 2014`
	STATUS	`approved`

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Last modified October 1 11:59 EDT 2020. Contains 337443 sequences. (Running on oeis4.)