1608036861domain: NAppears in sequencesG.f. A(x) satisfies A(x) = 1 + x*A(x)^3 * A(x*A(x)^3)^3.at n=9A120973Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of B(x)^k, where B(x) is the g.f. of A120973.at n=64A381603