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A159358
Number of nXn arrays of squares of integers with every (n-3)X(n-3) subblock summing to 4
+0
1
21, 10863, 485580, 5524819, 34063605, 147025901, 501203288, 1443386025, 3661046269, 8408644815, 17831404296, 35411163363, 66561697945, 119403667269, 205752113900, 342352218641, 552401782713, 867401681215, 1329378303444
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.
AT&T Labs Research
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