Place n distinguishable balls in n boxes (in n^n ways); let f(n,k) = number of ways that max in any box is k, for 1 <= k <= n; sequence gives f(n,n-2)/n.

A019579

Place n distinguishable balls in n boxes (in n^n ways); let f(n,k) = number of ways that max in any box is k, for 1 <= k <= n; sequence gives f(n,n-2)/n.

Terms

    a(0) =2a(1) =45a(2) =160a(3) =375a(4) =756a(5) =1372a(6) =2304a(7) =3645a(8) =5500a(9) =7986a(10) =11232a(11) =15379a(12) =20580a(13) =27000a(14) =34816a(15) =44217a(16) =55404a(17) =68590a(18) =84000a(19) =101871a(20) =122452a(21) =146004a(22) =172800a(23) =203125a(24) =237276a(25) =275562a(26) =318304a(27) =365835a(28) =418500a(29) =476656

External references