id:A156467 - OEIS Search Results

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Number of nXn arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 17.

+0
1

2, 2, 44, 76, 1804, 8172, 1022492, 7436362, 4686068520, 71763897760, 74820160016800 (list; graph; listen)

	OFFSET	`2,1`
	CROSSREFS	`Sequence in context: A087541 A153434 A152016 this_sequence A015167 A086204 A037292` `Adjacent sequences: A156464 A156465 A156466 this_sequence A156468 A156469 A156470`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net) Feb 09 2009`

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.