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A159387 Number of nXn arrays of squares of integers with every (n-1)X(n-1) subblock summing to 12 1
16, 18113, 6467188, 1809241443, 293674429000, 26176393773422, 1245229219393096, 35059144402329914, 654596642702971044, 8847500466993614275, 92285089465751931520, 778692439065134733077 (list; graph; refs; listen; history; internal format)
OFFSET

3,1

LINKS

R. H. Hardin, Table of n, a(n) for n=3..23

CROSSREFS

Sequence in context: A017188 A168576 A013831 * A098175 A089232 A002489

Adjacent sequences:  A159384 A159385 A159386 * A159388 A159389 A159390

KEYWORD

nonn

AUTHOR

R. H. Hardin (rhhardin(AT)att.net) Apr 11 2009

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Last modified February 17 13:24 EST 2012. Contains 206031 sequences.