A234682 - OEIS

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A234682

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 (constant stress 1X1 tilings)

232, 4416, 49480, 531984, 4224328, 37361280, 265716040, 2168371104 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Diagonal of A234690`
	LINKS	`Table of n, a(n) for n=1..8.`
	EXAMPLE	`Some solutions for n=3` `..5..4..5..4....5..1..3..0....5..6..5..6....1..1..0..5....5..3..6..3` `..0..4..0..4....3..4..1..3....4..0..4..0....5..0..4..4....0..3..1..3` `..4..3..4..3....6..2..4..1....3..4..3..4....2..2..1..6....2..0..3..0` `..2..6..2..6....4..5..2..4....0..6..0..6....5..0..4..4....0..3..1..3`
	CROSSREFS	`Sequence in context: A234683 A238919 A327831 * A156391 A279660 A188401` `Adjacent sequences: A234679 A234680 A234681 * A234683 A234684 A234685`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin, Dec 29 2013`
	STATUS	`approved`

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Last modified January 26 16:30 EST 2021. Contains 340442 sequences. (Running on oeis4.)