-7484400

Appears in sequences

• Expand cos x / exp x and invert nonzero coefficients.at n=12A007452
• Expansion of E.g.f.: (1 + x)/(1 + x + x^2/2).at n=12A009014
• Expansion of e.g.f. 2*arctan(1+x) - Pi/2.at n=12A217260