836109domain: NAppears in sequencesE.g.f. A(x) satisfies A(x) = exp(x*A(x)/A(-x*A(x))).at n=7A385058Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of e.g.f. B(x)^k, where B(x) is the e.g.f. of A385058.at n=43A385061