167665domain: NAppears in sequencesSquare 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=35A294296E.g.f.: exp(Sum_{n>=1} d(n) * x^n), where d(n) is the number of divisors of n.at n=7A294363