671744

Appears in sequences

• Expansion of theta_3 / theta_4.at n=32A007096
• Expansion of (theta_3(q) / theta_4(q))^2 in powers of q.at n=16A014969
• a(n) = 2^(n-1)*(3*n-4).at n=15A053565
• Expansion of 1 + 32 * (eta(q^4) / eta(q))^8 in powers of q.at n=8A097243
• Expansion of (phi(-q) / phi(q))^2 in powers of q where phi() is a Ramanujan theta function.at n=16A139820
• Expansion of theta_4/theta_3 in powers of q.at n=32A189925
• Expansion of phi(q^2)^2 / (phi(-q) * phi(q^4)) in powers of q where phi() is a Ramanujan theta function.at n=32A212318
• Expansion of phi(q^2)^2 / (phi(q) * phi(q^4)) in powers of q where phi() is a Ramanujan theta function.at n=32A232358
• a(n) = smallest number whose arithmetic derivative has exactly n prime factors.at n=20A284149