E.g.f.: Sum_{n>=0} a(n) * (cos(n*x)-sin(n*x)) * x^n/n! = 1/(1-x).
A219504
E.g.f.: Sum_{n>=0} a(n) * (cos(n*x)-sin(n*x)) * x^n/n! = 1/(1-x).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =33a(4) =512a(5) =13005a(6) =494976a(7) =26383917a(8) =1876721664a(9) =171728626617
External references
- oeis: A219504