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A159426
Number of nXn arrays of squares of integers with every (n-1)X(n-1) subblock summing to 30
+0
1
176, 256076, 1963814320, 13210514775232, 78005783884913704, 343956478492640532304, 1029704788841867209051576, 1943809831450257030930136960
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Maintained by
N. J. A. Sloane
(
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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