E.g.f.: exp(-2*(exp(exp(-x/(2*x-1))-1)-1)/(-2+exp(exp(-x/(2*x-1))-1))).
A124211
E.g.f.: exp(-2*(exp(exp(-x/(2*x-1))-1)-1)/(-2+exp(exp(-x/(2*x-1))-1))).
Terms
- a(0) =1a(1) =2a(2) =20a(3) =294a(4) =5678a(5) =135496a(6) =3843266a(7) =126154370a(8) =4699339104a(9) =195713896170
External references
- oeis: A124211