Authors: Marco Ripà
In this paper we provide an inverse proof of the relation between a particular class of double sums and tetrahedral numbers. Thus, we present a compact formula to reduce the number of calculations necessary to solve such a kind of problems. The initial identity is confirmed "a posteriori" using the formula mentioned above.
Comments: 3 pages
[v1] 10 Mar 2011
Unique-IP document downloads: 235 times
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