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A159396 Number of nXn arrays of squares of integers with every (n-1)X(n-1) subblock summing to 15 1
32, 37772, 24485600, 14192015472, 5219489405360, 1121854265726332, 132887181736133280, 8797362179502972032, 354188675085385900248, 9513098191479222999048, 183956038122004710726232 (list; graph; refs; listen; history; internal format)
OFFSET

3,1

LINKS

R. H. Hardin, Table of n, a(n) for n=3..22

CROSSREFS

Sequence in context: A123393 A016937 A074800 * A054374 A017009 A176030

Adjacent sequences:  A159393 A159394 A159395 * A159397 A159398 A159399

KEYWORD

nonn

AUTHOR

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

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Last modified February 17 14:50 EST 2012. Contains 206050 sequences.