-24266797domain: ZAppears in sequencesG.f.: 1/(Sum_{k>=0} (k!)^2 x^k).at n=7A113871Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of 1/(Sum_{j>=0} (j!)^k * x^j).at n=52A306629