Number of partitions of n into prime power parts (1 included); number of nonisomorphic Abelian subgroups of symmetric group S_n.

A023893

Number of partitions of n into prime power parts (1 included); number of nonisomorphic Abelian subgroups of symmetric group S_n.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =3a(4) =5a(5) =7a(6) =10a(7) =14a(8) =20a(9) =27a(10) =36a(11) =48a(12) =63a(13) =82a(14) =105a(15) =134a(16) =171a(17) =215a(18) =269a(19) =335a(20) =415a(21) =511a(22) =626a(23) =764a(24) =929a(25) =1125a(26) =1356a(27) =1631a(28) =1953a(29) =2333

External references