Expansion of f(q)*f(q^7)/(f(-q)*f(-q^7)) in powers of q where f() is a Ramanujan theta function.

Terms

a(0) =1a(1) =2a(2) =2a(3) =4a(4) =6a(5) =8a(6) =12a(7) =18a(8) =26a(9) =34a(10) =48a(11) =64a(12) =84a(13) =112a(14) =146a(15) =192a(16) =246a(17) =316a(18) =402a(19) =508a(20) =640a(21) =804a(22) =1008a(23) =1248a(24) =1548a(25) =1910a(26) =2344a(27) =2872a(28) =3510a(29) =4276