Expansion of phi(-x) / psi(x^4) in powers of x where phi(), psi() are Ramanujan theta functions.

Terms

a(0) =1a(1) =-2a(2) =0a(3) =0a(4) =1a(5) =2a(6) =0a(7) =0a(8) =-1a(9) =-4a(10) =0a(11) =0a(12) =0a(13) =6a(14) =0a(15) =0a(16) =1a(17) =-8a(18) =0a(19) =0a(20) =0a(21) =12a(22) =0a(23) =0a(24) =-1a(25) =-18a(26) =0a(27) =0a(28) =-1a(29) =24