1264854

Appears in sequences

• Largest coefficient in expansion of Product_{i=1..n} (1 + (-q)^i).at n=26A039828
• Next-to-middle coefficient in expansion of Product_{k=1..n} (1 + x^k).at n=26A068202
• Number of solutions to +- 1 +- 2 +- .. +- n = 2.at n=27A113036