457507917domain: NAppears in sequencesG.f. A(x) satisfies x = A( x - A(x)^4/x^2 ).at n=9A376176Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of (B(x)/x)^k, where B(x) is the g.f. of A376176.at n=64A384621