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A156466 Number of n X n arrays of squares of integers, symmetric about main diagonal, with all rows summing to 17. 0
2, 10, 84, 1308, 50500, 5934606, 3733057244, 7484174351906, 30512551214306088 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

LINKS

Table of n, a(n) for n=2..10.

CROSSREFS

Sequence in context: A065866 A322406 A302935 * A304403 A132397 A202745

Adjacent sequences:  A156463 A156464 A156465 * A156467 A156468 A156469

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 09 2009

STATUS

approved

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Last modified May 19 17:48 EDT 2019. Contains 323395 sequences. (Running on oeis4.)