65172domain: NAppears in sequencesNumber of partitions p of n such that (number of numbers of the form 3k+2 in p) is a part of p.at n=45A241548p-INVERT of (1,0,1,0,0,0,0,...), where p(S) = 1 - S^2 - S^3.at n=21A291736Self-composition of the Euler totient function (A000010).at n=12A307308