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A159210 Number of nXn arrays of squares of integers with every 3X3 subblock summing to 10 0
1080, 8780, 39776, 128052, 559412, 1890188, 5416524, 21100532, 68876708, 201975948, 775896500, 2612235476, 8139800700 (list; graph; refs; listen; history; internal format)
OFFSET

3,1

CROSSREFS

Sequence in context: A023085 A163562 A179688 * A092135 A077740 A078214

Adjacent sequences:  A159207 A159208 A159209 * A159211 A159212 A159213

KEYWORD

nonn

AUTHOR

R. H. Hardin (rhhardin(AT)att.net) Apr 06 2009

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Last modified February 16 06:46 EST 2012. Contains 205867 sequences.