a(n) = n! * [x^n] exp(exp(x) - 1)/(1 - x)^n.
A305051
a(n) = n! * [x^n] exp(exp(x) - 1)/(1 - x)^n.
Terms
- a(0) =1a(1) =2a(2) =12a(3) =119a(4) =1655a(5) =29647a(6) =649925a(7) =16852656a(8) =504519916a(9) =17124927207a(10) =649856846635
External references
- oeis: A305051