a(n) = Sum_{k=0..n} |Stirling1(n, k)|*(n-k)! for n>=0.
A248028
a(n) = Sum_{k=0..n} |Stirling1(n, k)|*(n-k)! for n>=0.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =8a(4) =65a(5) =957a(6) =22512a(7) =773838a(8) =36561289a(9) =2271696241a(10) =179538792358
External references
- oeis: A248028