Number of compositions (ordered partitions) of n into distinct prime powers (1 excluded).

Terms

a(0) =1a(1) =0a(2) =1a(3) =1a(4) =1a(5) =3a(6) =2a(7) =5a(8) =3a(9) =11a(10) =10a(11) =13a(12) =18a(13) =19a(14) =52a(15) =30a(16) =61a(17) =77a(18) =114a(19) =109a(20) =146a(21) =260a(22) =318a(23) =341a(24) =356a(25) =631a(26) =666a(27) =927a(28) =848a(29) =1849