11351659domain: NAppears in sequencesE.g.f. A(x) satisfies: A( Integral 1/A(x) dx ) = exp(x).at n=9A233335Array read by downward antidiagonals: A(n,k) = A(n-1,k+1) + Sum_{j=0..k} binomial(k+1,j)*A(n-1,j)*A(k-j,0) with A(0,k) = 1.at n=44A392058