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Search: id:A156466
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A156466 Number of nXn arrays of squares of integers, symmetric about main diagonal, with all rows summing to 17. +0
1
2, 10, 84, 1308, 50500, 5934606, 3733057244, 7484174351906, 30512551214306088 (list; graph; listen)
OFFSET

2,1
CROSSREFS

Sequence in context: A113332 A107863 A065866 this_sequence A132397 A145082 A111811

Adjacent sequences: A156463 A156464 A156465 this_sequence A156467 A156468 A156469

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net) Feb 09 2009

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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