170618

Appears in sequences

• E.g.f. A(x) satisfies A(x) = 1 + x * A(exp(x) - 1).at n=7A048801
• Triangle read by rows, T(n,k) = n!*B(n,k) for n>=0 and 0<=k<=n, where B(n,k) is the Bell matrix with generator 1/j for j>=1.at n=31A265607