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A159444 Number of nXn arrays of squares of integers with every (n-1)X(n-1) subblock summing to 39 0
80, 804780, 10871872824, 204250577570816, 3777380452398706432, 58125469048763371995780, 671488648724792776660219584 (list; graph; refs; listen; history; internal format)
OFFSET

3,1

CROSSREFS

Sequence in context: A159408 A159391 A051184 * A116230 A056669 A005085

Adjacent sequences:  A159441 A159442 A159443 * A159445 A159446 A159447

KEYWORD

nonn

AUTHOR

R. H. Hardin (rhhardin(AT)att.net) Apr 11 2009

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Last modified February 14 13:08 EST 2012. Contains 205623 sequences.