Expansion of Product_{k>=1} 1 / ((1 - x^k) * (1 - x^(k^3))).

Terms

a(0) =1a(1) =2a(2) =4a(3) =7a(4) =12a(5) =19a(6) =30a(7) =45a(8) =68a(9) =99a(10) =143a(11) =202a(12) =284a(13) =392a(14) =538a(15) =729a(16) =983a(17) =1311a(18) =1740a(19) =2289a(20) =2998a(21) =3898a(22) =5046a(23) =6492a(24) =8321a(25) =10607a(26) =13472a(27) =17032a(28) =21460a(29) =26927