Expansion of Product_{k>=1} ((1 + x^k) / (1 + x^(5*k)))^k.

Terms

a(0) =1a(1) =1a(2) =2a(3) =5a(4) =8a(5) =15a(6) =27a(7) =47a(8) =78a(9) =134a(10) =218a(11) =356a(12) =576a(13) =916a(14) =1449a(15) =2268a(16) =3525a(17) =5431a(18) =8324a(19) =12652a(20) =19129a(21) =28754a(22) =42974a(23) =63898a(24) =94553a(25) =139241a(26) =204144a(27) =298045a(28) =433328a(29) =627592