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Search: id:A159428
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A159428 Number of nXn arrays of squares of integers with every (n-1)X(n-1) subblock summing to 31 +0
1
40, 359736, 2369330592, 18484921020800, 125821577726360192, 646591571175229349432, 2283659517989898114804472, 5141235435840001143869764928, 6990330762328103160234852524952 (list; graph; listen)
OFFSET

3,1

CROSSREFS

Sequence in context: A167061 A159404 A151605 this_sequence A115482 A111401 A116101

Adjacent sequences: A159425 A159426 A159427 this_sequence A159429 A159430 A159431

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net) Apr 11 2009

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Last modified December 4 08:07 EST 2009. Contains 170310 sequences.


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