Number of partitions in which each summand, s, may be used with frequency f if f divides s.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =4a(6) =4a(7) =6a(8) =9a(9) =12a(10) =14a(11) =18a(12) =23a(13) =29a(14) =35a(15) =43a(16) =56a(17) =68a(18) =82a(19) =100a(20) =122a(21) =147a(22) =174a(23) =209a(24) =252a(25) =302a(26) =356a(27) =421a(28) =500a(29) =589