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A054112
T(n,n-3), array T as in A054110.
0
1, 10, 28, 57, 98, 152, 222, 310, 418, 548, 702, 882, 1090, 1328, 1598, 1902, 2242, 2620, 3038, 3498, 4002, 4552, 5150, 5798, 6498, 7252, 8062, 8930, 9858, 10848, 11902, 13022, 14210, 15468, 16798, 18202, 19682, 21240
OFFSET
3,2
FORMULA
For n>6, a(n) = (n^3 - 7n)/3. - Ralf Stephan, Apr 03 2004
CROSSREFS
Sequence in context: A060544 A088406 A169879 * A053790 A364694 A269441
KEYWORD
nonn
STATUS
approved