Number of ways to form k labeled groups, each with a distinct leader, using n people. Triangle T(n,k) = n!*k^(n-k)/(n-k)! for 1 <= k <= n.
A199673
Number of ways to form k labeled groups, each with a distinct leader, using n people. Triangle T(n,k) = n!*k^(n-k)/(n-k)! for 1 <= k <= n.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =3a(4) =12a(5) =6a(6) =4a(7) =48a(8) =72a(9) =24a(10) =5a(11) =160a(12) =540a(13) =480a(14) =120a(15) =6a(16) =480a(17) =3240a(18) =5760a(19) =3600a(20) =720a(21) =7a(22) =1344a(23) =17010a(24) =53760a(25) =63000a(26) =30240a(27) =5040a(28) =8a(29) =3584
External references
- oeis: A199673