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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,1

LINKS

R. H. Hardin, Table of n, a(n) for n=3..19

CROSSREFS

Sequence in context: A239168 A167061 A283664 * A323489 A266157 A223103

Adjacent sequences:  A159401 A159402 A159403 * A159405 A159406 A159407

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 11 2009

STATUS

approved

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Last modified January 27 03:09 EST 2022. Contains 350601 sequences. (Running on oeis4.)