Number of partitions of n into prime power parts (1 excluded).

Terms

a(0) =1a(1) =0a(2) =1a(3) =1a(4) =2a(5) =2a(6) =3a(7) =4a(8) =6a(9) =7a(10) =9a(11) =12a(12) =15a(13) =19a(14) =23a(15) =29a(16) =37a(17) =44a(18) =54a(19) =66a(20) =80a(21) =96a(22) =115a(23) =138a(24) =165a(25) =196a(26) =231a(27) =275a(28) =322a(29) =380