a(n) = n! * [x^n] exp(exp(x) - n*x - 1).
A290219
a(n) = n! * [x^n] exp(exp(x) - n*x - 1).
Terms
- a(0) =1a(1) =0a(2) =2a(3) =-13a(4) =127a(5) =-1573a(6) =23711a(7) =-421356a(8) =8626668a(9) =-199971255a(10) =5177291275a(11) =-148078588667
External references
- oeis: A290219