a(n) = Sum_{k=0..n} (-k)^(n-k) * Stirling2(n,k).
A355375
a(n) = Sum_{k=0..n} (-k)^(n-k) * Stirling2(n,k).
Terms
- a(0) =1a(1) =1a(2) =0a(3) =-4a(4) =10a(5) =67a(6) =-969a(7) =3341a(8) =86976a(9) =-1988704a(10) =14144108a(11) =405611857a(12) =-17544321563a(13) =287677263837
External references
- oeis: A355375