64557domain: NAppears in sequencesExpansion of (a(q) / b(q))^3 in powers of q where a(), b() are cubic AGM theta functions.at n=5A290405Triangle read by rows, the Riordan square of the number of achiral m-color cyclic compositions of n (A308747). T(n,k) for 1 <= k <= n.at n=39A336452