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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
OFFSET
2,1
CROSSREFS
Sequence in context: A322406 A302935 A332655 * A304403 A132397 A202745
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 09 2009
STATUS
approved