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A156500 Number of nXn arrays of squares of integers, symmetric about main diagonal, with all rows summing to 37. 0
2, 6, 110, 4146, 819560, 482038068, 1640436725312, 24866331300024792 (list; graph; refs; listen; history; internal format)
OFFSET

2,1

CROSSREFS

Sequence in context: A059088 A057771 A056164 * A075391 A058251 A039716

Adjacent sequences:  A156497 A156498 A156499 * A156501 A156502 A156503

KEYWORD

nonn

AUTHOR

R. H. Hardin (rhhardin(AT)att.net) Feb 09 2009

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Last modified February 17 09:17 EST 2012. Contains 206009 sequences.