-5480domain: ZAppears in sequencesExpansion of a modular function for gamma_0(6).at n=18A006708Expansion of tanh(log(1+sin(x))).at n=8A009771Expansion of theta_4(q)^2*theta_4(q^2)^4 in powers of q.at n=37A120030Expansion of (elliptic_K / elliptic_E)^(1/4) in powers of q.at n=10A261980