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A159210 Number of n X n 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; text; internal format)
OFFSET

3,1

LINKS

Table of n, a(n) for n=3..15.

CROSSREFS

Sequence in context: A163562 A214621 A179688 * A250538 A281259 A251795

Adjacent sequences:  A159207 A159208 A159209 * A159211 A159212 A159213

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 06 2009

STATUS

approved

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Last modified September 30 02:05 EDT 2022. Contains 357095 sequences. (Running on oeis4.)