150282domain: NAppears in sequencesNumber of (w,x,y,z) with all terms in {1,...,n} and w<2x and y<=3z.at n=22A212509Triangle T(n,t) by rows: The number of rooted forests with n 3-colored nodes and t rooted trees.at n=30A271879Numbers k such that there is no prime p and index j < k such that A002182(k) = p * A002182(j).at n=35A272606