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Search: id:A159207
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A159207 Number of nXn arrays of squares of integers with every 3X3 subblock summing to 7 +0
1
540, 4128, 19028, 64440, 278516, 945816, 2788452, 10699008, 34672388, 103376592, 390361412, 1299118848, 4097433060 (list; graph; listen)
OFFSET

3,1
CROSSREFS

Sequence in context: A111258 A118630 A146123 this_sequence A101705 A034620 A146196

Adjacent sequences: A159204 A159205 A159206 this_sequence A159208 A159209 A159210

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net) Apr 06 2009

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.

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