E.g.f.: Sum_{n>=0} x^n * cosh(2^n*x).
A340336
E.g.f.: Sum_{n>=0} x^n * cosh(2^n*x).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =18a(4) =217a(5) =4040a(6) =100561a(7) =3446128a(8) =192945537a(9) =18959667840
External references
- oeis: A340336
A340336
E.g.f.: Sum_{n>=0} x^n * cosh(2^n*x).