E.g.f.: 2*exp(2*x) / (5 - 3*exp(2*x)).
A201366
E.g.f.: 2*exp(2*x) / (5 - 3*exp(2*x)).
Terms
- a(0) =1a(1) =5a(2) =40a(3) =470a(4) =7360a(5) =144080a(6) =3384640a(7) =92761520a(8) =2905461760a(9) =102379969280
External references
- oeis: A201366
A201366
E.g.f.: 2*exp(2*x) / (5 - 3*exp(2*x)).