203520domain: NAppears in sequencesTriangle read by rows: T(n, m) = A285061(n, m)*m!, 0 <= m <= n.at n=18A285066G.f. A(x) satisfies: A( 2*A(x)^2 - 8*A(x)^3 ) = 2*x^2.at n=7A291314