A156510 - OEIS

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A156510

Number of nXn arrays of squares of integers, symmetric about main diagonal, with all rows summing to 49.

1, 2, 10, 198, 10918, 2335392, 1569913286, 14728525914260, 599617717929388908 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	CROSSREFS	`Sequence in context: A177399 A194971 A155200 * A159558 A001528 A193482` `Adjacent sequences: A156507 A156508 A156509 * A156511 A156512 A156513`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net) Feb 09 2009`

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Last modified February 16 19:23 EST 2012. Contains 205945 sequences.