-1418

Appears in sequences

• Shifts left when Moebius transformation applied twice.at n=50A007551
• Expansion of f(-q)^2*P(q) in powers of q.at n=59A122163
• Expansion of Product_{k>=1} (1 - x^(2*k-1))^(2*k-1)/(1 - x^(2*k))^(2*k).at n=13A281683