763209domain: 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(k*(1/(1-x)^k - 1)).at n=41A294188Expansion of e.g.f. exp(3*(1/(1-x)^3 - 1)).at n=5A294190