Expansion of q^(-1/4) * (eta(q^4) / eta(q))^2 in powers of q.

Terms

a(0) =1a(1) =2a(2) =5a(3) =10a(4) =18a(5) =32a(6) =55a(7) =90a(8) =144a(9) =226a(10) =346a(11) =522a(12) =777a(13) =1138a(14) =1648a(15) =2362a(16) =3348a(17) =4704a(18) =6554a(19) =9056a(20) =12425a(21) =16932a(22) =22922a(23) =30848a(24) =41282a(25) =54946a(26) =72768a(27) =95914a(28) =125842a(29) =164402