a(n) = Sum_{k=0..floor(n/2)} (n-k)^(n-2*k) * |Stirling1(n-k,k)|.
A353290
a(n) = Sum_{k=0..floor(n/2)} (n-k)^(n-2*k) * |Stirling1(n-k,k)|.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =2a(4) =19a(5) =393a(6) =15177a(7) =939394a(8) =85063260a(9) =10599342278
External references
- oeis: A353290