287568domain: NAppears in sequencesRectangular table, read by antidiagonals, such that the g.f. of row n, R_n(y), satisfies: R_n(y) = [ Sum_{k>=0} y^k * R_{n*k}(y) ]^n for n>=0, with R_0(y)=1.at n=61A124550Row 4 of table A124550; also equals the self-convolution 4th power of A124564, which is row 4 of table A124560.at n=6A124554