400704

Appears in sequences

• Expansion of theta_3 / theta_4.at n=30A007096
• Expansion of (theta_3(q) / theta_4(q))^2 in powers of q.at n=15A014969
• Expansion of theta_4/theta_3 in powers of q.at n=30A189925
• Expansion of phi(q^2)^2 / (phi(-q) * phi(q^4)) in powers of q where phi() is a Ramanujan theta function.at n=30A212318
• Expansion of phi(q^2)^2 / (phi(q) * phi(q^4)) in powers of q where phi() is a Ramanujan theta function.at n=30A232358
• Number of tilings of a 5 X n rectangle using n pentominoes of shapes P, I, X.at n=14A264812