E.g.f.: REVERT(2*x/(1+exp(x))) = Sum_{n>=0} a(n)*x^n/n!.
A088789
E.g.f.: REVERT(2*x/(1+exp(x))) = Sum_{n>=0} a(n)*x^n/n!.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =3a(4) =14a(5) =90a(6) =738a(7) =7364a(8) =86608a(9) =1173240a(10) =17990600a(11) =308055528a(12) =5826331440a(13) =120629547584
External references
- oeis: A088789