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

Terms

a(0) =1a(1) =-2a(2) =4a(3) =-8a(4) =15a(5) =-26a(6) =44a(7) =-72a(8) =114a(9) =-178a(10) =272a(11) =-408a(12) =605a(13) =-884a(14) =1276a(15) =-1824a(16) =2580a(17) =-3616a(18) =5028a(19) =-6936a(20) =9498a(21) =-12922a(22) =17468a(23) =-23472a(24) =31369a(25) =-41700a(26) =55156a(27) =-72616a(28) =95172a(29) =-124202