-2179127domain: ZAppears in sequencesE.g.f. A(x) satisfies A(x) = exp( -x*A(x) * A(-x*A(x)) ).at n=8A384760Square 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 A384760.at n=53A384761