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A156489 Number of nXn arrays of squares of integers, symmetric about main diagonal, with all rows summing to 29. 0
2, 12, 210, 3758, 329252, 119245260, 275227614408, 2100173410422072 (list; graph; refs; listen; history; internal format)
OFFSET

2,1

CROSSREFS

Sequence in context: A110105 A094157 A012598 * A129893 A008352 A082491

Adjacent sequences:  A156486 A156487 A156488 * A156490 A156491 A156492

KEYWORD

nonn

AUTHOR

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

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Last modified February 15 13:05 EST 2012. Contains 205789 sequences.