A159201 - OEIS

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A159201

Number of nXn arrays of squares of integers with every 3X3 subblock summing to 4

135, 767, 3223, 10863, 41455, 133967, 386559, 1297583, 3874159, 10725327, 34367791, 100153391, 275262975, 866491247, 2509423663, 6914468943 (list; graph; refs; listen; history; internal format)

	OFFSET	`3,1`
	CROSSREFS	`Sequence in context: A096593 A050215 A176313 * A157734 A061073 A195671` `Adjacent sequences: A159198 A159199 A159200 * A159202 A159203 A159204`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net) Apr 06 2009`

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Last modified February 15 23:53 EST 2012. Contains 205860 sequences.