Expansion of (psi(x) * phi(-x)^4)^2 in powers of x where phi(), psi() are Ramanujan theta functions.
A215472
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: A215472