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A026057 dot_product(n,n-1,...2,1)*(4,5,...,n,1,2,3). +0
4
26, 50, 83, 126, 180, 246, 325, 418, 526, 650, 791, 950, 1128, 1326, 1545, 1786, 2050, 2338, 2651, 2990, 3356, 3750, 4173, 4626, 5110, 5626, 6175, 6758, 7376, 8030, 8721, 9450, 10218, 11026, 11875, 12766, 13700, 14678, 15701, 16770, 17886, 19050, 20263, 21526, 22840, 24206, 25625, 27098, 28626 (list; graph; listen)
OFFSET

4,1

FORMULA

n(n^2+12n-25)/6. - R. Stephan, Apr 30 2004

CROSSREFS

Column 3 of triangle A094415.

Sequence in context: A039458 A118367 A137263 this_sequence A044078 A044459 A122999

Adjacent sequences: A026054 A026055 A026056 this_sequence A026058 A026059 A026060

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified July 25 02:12 EDT 2008. Contains 142294 sequences.


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