Coefficient of x^(4*n+2) in e.g.f. arcsinh(cos(x) - cosh(x)).
A013476
Coefficient of x^(4*n+2) in e.g.f. arcsinh(cos(x) - cosh(x)).
Terms
- a(0) =-2a(1) =118a(2) =-267122a(3) =3801437638
External references
- oeis: A013476
A013476
Coefficient of x^(4*n+2) in e.g.f. arcsinh(cos(x) - cosh(x)).