Expansion of (psi(-x) * phi(x)^4)^2 in powers of x where phi(), psi() are Ramanujan theta functions.
A209942
Expansion of (psi(-x) * phi(x)^4)^2 in powers of x where phi(), psi() are Ramanujan theta functions.
Terms
- a(0) =1a(1) =14a(2) =81a(3) =238a(4) =322a(5) =0a(6) =-429a(7) =-82a(8) =0a(9) =-2162a(10) =-3038a(11) =1134a(12) =2401a(13) =-2482a(14) =0a(15) =6958a(16) =3332a(17) =0a(18) =1442a(19) =0a(20) =6561a(21) =4508a(22) =-9758a(23) =0a(24) =-1918a(25) =-18802a(26) =0a(27) =-9362a(28) =-24638a(29) =19278
External references
- oeis: A209942