18953310

Appears in sequences

• Expansion of k/(4*q^(1/2)) in powers of q, where k defined by sqrt(k) = theta_2(0, q)/theta_3(0, q).at n=26A001938
• Expansion of q^(-1/2) * (eta(q^4) / eta(q))^4 in powers of q.at n=26A093160