a(0) = 1; thereafter a(n) = n*Sum_{k = 0..n-1} binomial(n, k)*(-1)^(1+n+k)*a(k).
A365863
a(0) = 1; thereafter a(n) = n*Sum_{k = 0..n-1} binomial(n, k)*(-1)^(1+n+k)*a(k).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =12a(4) =156a(5) =3380a(6) =108930a(7) =4876242a(8) =289111032a(9) =21916777752
External references
- oeis: A365863