362283008

Appears in sequences

• Expansion of cos x (1 + sin x ) /cos 2x.at n=11A000825
• E.g.f. cos(x)/(cos(x) - sin(x)).at n=11A000828
• a(n) = (-1)^n*2^(6*n+3)*(zeta(-2*n-1,1/2) - zeta(-2*n-1,1)), where zeta(a,z) is the generalized Riemann zeta function.at n=5A253165