648187

Appears in sequences

• Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of e.g.f.: exp(Sum_{j>=1} sigma_k(j) * x^j).at n=43A294296
• E.g.f.: exp(Sum_{n>=1} sigma(n) * x^n).at n=7A294361