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A156517 Number of nXn arrays of squares of integers, symmetric about main diagonal, with all rows summing to 58. +0
1
2, 6, 198, 20472, 11458140, 15139474872, 64914837681442, 1549731064209250952 (list; graph; listen)
OFFSET

2,1
CROSSREFS

Sequence in context: A072116 A055696 A158096 this_sequence A091439 A013083 A110387

Adjacent sequences: A156514 A156515 A156516 this_sequence A156518 A156519 A156520

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net) Feb 09 2009

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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