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A159428 Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 31 0
40, 359736, 2369330592, 18484921020800, 125821577726360192, 646591571175229349432, 2283659517989898114804472, 5141235435840001143869764928, 6990330762328103160234852524952 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,1

LINKS

Table of n, a(n) for n=3..11.

CROSSREFS

Sequence in context: A151605 A253107 A300842 * A115482 A111401 A116101

Adjacent sequences:  A159425 A159426 A159427 * A159429 A159430 A159431

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 11 2009

STATUS

approved

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Last modified May 28 18:24 EDT 2022. Contains 354122 sequences. (Running on oeis4.)