102364

Appears in sequences

• Expansion of theta_3 / theta_4.at n=25A007096
• 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=12A127393
• Expansion of 1+k in powers of q^(1/2) where q is Jacobi's nome and k is the elliptic modulus.at n=25A134746
• Expansion of (phi(q) / phi(q^4))^2 in powers of q where phi() is a Ramanujan theta function.at n=50A216060
• Numbers with exactly six distinct base-10 digits.at n=10A220076
• a(n) = a(n-1) + a(n-2) + 2 a(ceiling(n/2)), where a(0) = 1, a(1) = 1, a(2) = 1.at n=21A298350
• Integers k such that there exists an integer 0<m<k such that sigma(m)^2 + sigma(k)^2 = 2*(m+k)^2.at n=27A385008