Expansion of q^(-3/4) * eta(q^2)^2 * eta(q^20) / (eta(q)^2 * eta(q^4)) in powers of q.

Terms

a(0) =1a(1) =2a(2) =3a(3) =6a(4) =10a(5) =16a(6) =25a(7) =38a(8) =57a(9) =84a(10) =121a(11) =172a(12) =243a(13) =338a(14) =465a(15) =636a(16) =862a(17) =1158a(18) =1546a(19) =2050a(20) =2701a(21) =3540a(22) =4613a(23) =5980a(24) =7719a(25) =9916a(26) =12682a(27) =16158a(28) =20506a(29) =25926