122836domain: NAppears in sequencesNumber of subgroups of the group C_n X C_n X C_n (where C_n is the cyclic group of order n).at n=47A064803Number of inversions in all Dyck prefixes of length n.at n=15A221058Numbers k such that (19*10^k - 43)/3 is prime.at n=29A294377