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A159373
Number of n X n arrays of squares of integers with every (n-2)X(n-2) subblock summing to 8
1
30, 27355, 6517430, 1133908693, 67473811410, 1696492412638, 24203648741232, 232689557755938, 1672775406131042, 9619403010227889, 46341714628484302, 193317644719326575, 715634511237973534, 2395231185525164796
OFFSET
4,1
LINKS
CROSSREFS
Sequence in context: A088853 A306917 A135349 * A006473 A115459 A135421
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 11 2009
STATUS
approved