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A159404
Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 19
1
40, 75268, 104262600, 136299409488, 124067667166856, 71128243379500352, 23850854381242354984, 4508124761091573295616, 489990612992276779046752, 32691908016515801770317396, 1444785628859783521673835616
OFFSET
3,1
LINKS
CROSSREFS
Sequence in context: A239168 A167061 A283664 * A323489 A266157 A223103
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 11 2009
STATUS
approved