E.g.f. equals the series reversion of arctan(x) / exp(x).
A227465
E.g.f. equals the series reversion of arctan(x) / exp(x).
Terms
- a(0) =1a(1) =2a(2) =11a(3) =96a(4) =1141a(5) =17232a(6) =316175a(7) =6831104a(8) =169889641a(9) =4780648960a(10) =150175445331
External references
- oeis: A227465