498849domain: NAppears in sequencesE.g.f. satisfies A(x) = exp(x + x^3/3 * A(x)^3).at n=8A362478Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,k) = n! * Sum_{j=0..floor(n/3)} (k/6)^j * (3*j+1)^(n-2*j-1) / (j! * (n-3*j)!).at n=63A362490