a(0) = a(1) = 1 and a(n) = n! * [x^n] exp((1/(1-x)^(n-1) - 1)/(n-1)) for n > 1.
A293989
a(0) = a(1) = 1 and a(n) = n! * [x^n] exp((1/(1-x)^(n-1) - 1)/(n-1)) for n > 1.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =22a(4) =273a(5) =4956a(6) =122215a(7) =3909228a(8) =156878337a(9) =7694191648a(10) =451507161771
External references
- oeis: A293989