A159206 - OEIS

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A159206

Number of nXn arrays of squares of integers with every 3X3 subblock summing to 6

336, 2060, 7528, 19812, 70576, 197564, 465096, 1460108, 3888976, 9235668, 27944512, 75309548, 188132376, 564873500, 1569781408, 4155445092 (list; graph; refs; listen; history; internal format)

	OFFSET	`3,1`
	CROSSREFS	`Sequence in context: A006909 A067708 A059467 * A184557 A056933 A008693` `Adjacent sequences: A159203 A159204 A159205 * A159207 A159208 A159209`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net) Apr 06 2009`

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Last modified February 15 12:25 EST 2012. Contains 205786 sequences.