Touchard polynomial
From specialfunctionswiki
The Touchard polynomials $T_n(x)$ are defined by $$T_n(x)=\displaystyle\sum_{k=0}^n S(n,k)x^k,$$ where $S(n,k)$ denotes the Stirling numbers of the second kind.
The Touchard polynomials $T_n(x)$ are defined by $$T_n(x)=\displaystyle\sum_{k=0}^n S(n,k)x^k,$$ where $S(n,k)$ denotes the Stirling numbers of the second kind.
