Number of ways to write n as sum of prime powers p^e such that e>0 and p does not divide n.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =0a(6) =3a(7) =1a(8) =3a(9) =1a(10) =11a(11) =1a(12) =18a(13) =3a(14) =7a(15) =5a(16) =43a(17) =2a(18) =65a(19) =5a(20) =24a(21) =10a(22) =137a(23) =4a(24) =115a(25) =17a(26) =84a(27) =16a(28) =379a(29) =3