a(n) = Sum_{k=0..floor(n/2)} (n-k)^k * |Stirling1(n-k,k)|.
A353289
a(n) = Sum_{k=0..floor(n/2)} (n-k)^k * |Stirling1(n-k,k)|.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =2a(4) =10a(5) =51a(6) =323a(7) =2354a(8) =19535a(9) =181606a(10) =1869549a(11) =21110063a(12) =259400501a(13) =3445913273a(14) =49207968328a(15) =751698726580
External references
- oeis: A353289