Numerator of (n-2)!*Sum_{k=1..n} (-1)^(k+1)/((n-k)!*k^k).

A360091

Numerator of (n-2)!*Sum_{k=1..n} (-1)^(k+1)/((n-k)!*k^k).

Terms

    a(0) =3a(1) =31a(2) =517a(3) =322537a(4) =2840123a(5) =324200318207

External references