Expansion of e.g.f. exp(exp(2*x) - 1)/(1 - x).
A367972
Expansion of e.g.f. exp(exp(2*x) - 1)/(1 - x).
Terms
- a(0) =1a(1) =3a(2) =14a(3) =82a(4) =568a(5) =4504a(6) =40016a(7) =392368a(8) =4198784a(9) =48616320a(10) =604921600a(11) =8043848960a(12) =113785080832
External references
- oeis: A367972