a(n) = Sum_{k=0..n} (-1)^(n-k) * C(n,k) * Stirling1(n+1, k+1).
A247329
a(n) = Sum_{k=0..n} (-1)^(n-k) * C(n,k) * Stirling1(n+1, k+1).
Terms
- a(0) =1a(1) =2a(2) =9a(3) =58a(4) =475a(5) =4666a(6) =53116a(7) =684762a(8) =9833391a(9) =155341258a(10) =2673209561a(11) =49717424868a(12) =992847765988
External references
- oeis: A247329