A156481 - OEIS

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A156481

Number of n X n arrays of squares of integers, symmetric under 90 degree rotation, with all rows summing to 24.

2, 0, 31, 210, 36876, 568284, 46154300, 2932212900, 1044426597950 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`4,1`
	LINKS	`Table of n, a(n) for n=4..12.`
	CROSSREFS	`Sequence in context: A104466 A086487 A071147 * A176726 A156452 A156473` `Adjacent sequences: A156478 A156479 A156480 * A156482 A156483 A156484`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin Feb 09 2009`
	STATUS	`approved`

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Last modified December 8 23:37 EST 2023. Contains 367681 sequences. (Running on oeis4.)