A156522 - OEIS

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A156522

Number of nXn arrays of squares of integers, symmetric about main diagonal, with all rows summing to 65.

4, 18, 372, 16404, 5141900, 9054510666, 197569263663408, 15383832371115704364 (list; graph; refs; listen; history; internal format)

	OFFSET	`2,1`
	CROSSREFS	`Sequence in context: A071173 A143993 A145660 * A086400 A082022 A114574` `Adjacent sequences: A156519 A156520 A156521 * A156523 A156524 A156525`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net) Feb 09 2009`

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Last modified February 17 19:13 EST 2012. Contains 206085 sequences.