a(n) = [x^n/n!] log( (n - (n-1)*exp(x)) / (n+1 - n*exp(x)) ).
A201731
a(n) = [x^n/n!] log( (n - (n-1)*exp(x)) / (n+1 - n*exp(x)) ).
Terms
- a(0) =1a(1) =4a(2) =54a(3) =1544a(4) =75750a(5) =5676492a(6) =603041334a(7) =86210654224
External references
- oeis: A201731