Expansion of Sum_{p prime, i>=1} x^(p^i) / (1 - Sum_{p prime, j>=1} x^(p^j))^2.

Terms

a(0) =0a(1) =1a(2) =1a(3) =3a(4) =5a(5) =9a(6) =18a(7) =29a(8) =55a(9) =91a(10) =163a(11) =274a(12) =472a(13) =798a(14) =1349a(15) =2275a(16) =3804a(17) =6380a(18) =10614a(19) =17685a(20) =29318a(21) =48584a(22) =80296a(23) =132506a(24) =218329a(25) =359139a(26) =590092a(27) =968120a(28) =1586707a(29) =2597349