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Results tagged with reference-request
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user 10901
This tag is used if a reference is needed in a paper or textbook on a specific result.
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Eulerian number identity
The Eulerian number $A(n,m)$ is defined as the number of permutations $\sigma \in S_n$ having precisely $m$ descents, i.e. indices $i$ such that $\sigma(i)>\sigma(i+1)$.
The wikipedia entry on these …
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