-209865342976
domain: Z
Appears in sequences
- Expansion of log(1+sin(x)/cosh(x)).at n=18A009342
- Expansion of e.g.f.: log(1+tanh(x)*cos(x)).at n=18A009394
- Expansion of e.g.f. 2*exp(x)*(1-exp(x))/(1+exp(2*x)).at n=17A163747
- Real part of the coefficient [x^n] of the expansion of (1+i)/(1-i*exp(x)) - 1 multiplied by 2*n!, where i is the imaginary unit.at n=17A163982
- a(n) = E2_{n}(0) with E2_{n} the polynomials defined in A326480.at n=16A326481
- a(n) = (PolyLog(-n, -i) - exp(i*Pi*n)*PolyLog(-n, i)) * i / exp(i*Pi*n/2).at n=17A346838