Expansion of ( psi(x^3) * phi(-x^3) / (psi(x) * f(-x^2)) )^2 in powers of x where phi(), psi(), f() are Ramanujan theta functions.

A258099

Expansion of ( psi(x^3) * phi(-x^3) / (psi(x) * f(-x^2)) )^2 in powers of x where phi(), psi(), f() are Ramanujan theta functions.

Terms

    a(0) =1a(1) =-2a(2) =5a(3) =-12a(4) =26a(5) =-50a(6) =92a(7) =-168a(8) =295a(9) =-496a(10) =818a(11) =-1332a(12) =2126a(13) =-3324a(14) =5126a(15) =-7824a(16) =11793a(17) =-17548a(18) =25857a(19) =-37788a(20) =54734a(21) =-78578a(22) =111968a(23) =-158496a(24) =222842a(25) =-311224a(26) =432095a(27) =-596676a(28) =819504a(29) =-1119624

External references