Expansion of e.g.f.: exp(4*x/(1-5*x)) / sqrt(1-25*x^2).
A202831
Expansion of e.g.f.: exp(4*x/(1-5*x)) / sqrt(1-25*x^2).
Terms
- a(0) =1a(1) =4a(2) =81a(3) =1444a(4) =44521a(5) =1397124a(6) =58354321a(7) =2574344644a(8) =136043683281
External references
- oeis: A202831