-16720

Appears in sequences

• Expansion 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=9A127393
• Inverse Moebius transform operation performed 24 times on A000594: A051731^24 * A000594.at n=6A128382
• Expansion of 1+k in powers of q^(1/2) where q is Jacobi's nome and k is the elliptic modulus.at n=19A134746
• Expansion of theta_4/theta_3 in powers of q.at n=19A189925
• Expansion of (phi(q) / phi(q^4))^2 in powers of q where phi() is a Ramanujan theta function.at n=38A216060
• Expansion of phi(q^2)^2 / (phi(q) * phi(q^4)) in powers of q where phi() is a Ramanujan theta function.at n=19A232358