33361948domain: NAppears in sequencesE.g.f. satisfies A(x) = exp(x + x^2/2 * A(x)^2).at n=9A362474Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,k) = n! * Sum_{j=0..floor(n/2)} (k/2)^j * (2*j+1)^(n-j-1) / (j! * (n-2*j)!).at n=64A362483