Expansion of e.g.f. exp(-x)/(1-4*x).
A001907
Expansion of e.g.f. exp(-x)/(1-4*x).
Terms
- a(0) =1a(1) =3a(2) =25a(3) =299a(4) =4785a(5) =95699a(6) =2296777a(7) =64309755a(8) =2057912161a(9) =74084837795
External references
- oeis: A001907
A001907
Expansion of e.g.f. exp(-x)/(1-4*x).