A159373 Number of n X n arrays of squares of integers with every (n-2)X(n-2) subblock summing to 8

30, 27355, 6517430, 1133908693, 67473811410, 1696492412638, 24203648741232, 232689557755938, 1672775406131042, 9619403010227889, 46341714628484302, 193317644719326575, 715634511237973534, 2395231185525164796

Offset

4,1

Links

R. H. Hardin, Table of n, a(n) for n=4..24

Crossrefs

Sequence in context: A088853 A306917 A135349 * A006473 A115459 A135421

Adjacent sequences: A159370 A159371 A159372 * A159374 A159375 A159376

Keyword

nonn

Author

R. H. Hardin Apr 11 2009

Status

approved