Expansion of (phi(x) / phi(x^2)) * (f(-x^3, -x^5) / f(-x^1, -x^7)) in powers of x where phi(), f() are Ramanujan theta functions.
A245434
Expansion of (phi(x) / phi(x^2)) * (f(-x^3, -x^5) / f(-x^1, -x^7)) in powers of x where phi(), f() are Ramanujan theta functions.
Terms
- a(0) =1a(1) =3a(2) =1a(3) =-4a(4) =0a(5) =9a(6) =-1a(7) =-20a(8) =1a(9) =38a(10) =1a(11) =-64a(12) =-2a(13) =107a(14) =-2a(15) =-180a(16) =3a(17) =292a(18) =4a(19) =-452a(20) =-4a(21) =686a(22) =-5a(23) =-1044a(24) =5a(25) =1563a(26) =6a(27) =-2276a(28) =-8a(29) =3284
External references
- oeis: A245434