5831784domain: NAppears in sequencesExpansion of k/q^(1/2) in powers of q, where k is the elliptic function defined by sqrt(k) = theta_2/theta_3.at n=20A127393Expansion of 1+k in powers of q^(1/2) where q is Jacobi's nome and k is the elliptic modulus.at n=41A134746