A159368 - OEIS

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A159368

Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 7

1

8, 4128, 302584, 17289088, 431618400, 5843691072, 51994744888, 341923672256, 1790204522040, 7843639778000, 29783241318072, 100543943539168, 307621147208752, 865756612732656, 2267642899483800, 5579948480151808

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OFFSET

3,1

LINKS

R. H. Hardin, Table of n, a(n) for n=3..27

CROSSREFS

Sequence in context: A209592 A060760 A203436 * A167065 A303895 A305287

Adjacent sequences: A159365 A159366 A159367 * A159369 A159370 A159371

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 11 2009

STATUS

approved