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Search: id:A026049
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A026049 a(n) = dot_product(1,2,...,n)*(7,8,...,n,1,2,3,4,5,6). +0
4
119, 156, 204, 265, 341, 434, 546, 679, 835, 1016, 1224, 1461, 1729, 2030, 2366, 2739, 3151, 3604, 4100, 4641, 5229, 5866, 6554, 7295, 8091, 8944, 9856, 10829, 11865, 12966, 14134, 15371, 16679, 18060, 19516, 21049, 22661, 24354, 26130, 27991, 29939, 31976, 34104, 36325, 38641, 41054 (list; graph; listen)
OFFSET

7,1

FORMULA

n(2n^2-15n+109)/6. - R. Stephan, Apr 30 2004

CROSSREFS

Column 6 of triangle A094414.

Sequence in context: A095629 A046007 A135716 this_sequence A134603 A134604 A063348

Adjacent sequences: A026046 A026047 A026048 this_sequence A026050 A026051 A026052

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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


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