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A159396
Number of n X n 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
OFFSET
3,1
LINKS
CROSSREFS
Sequence in context: A074800 A320859 A285389 * A362175 A221086 A054374
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 11 2009
STATUS
approved