Square array read by antidiagonals downwards: T(n,k) = (n*k)!/(k!^n*n!), (n>=1, k>=1), the number of ways of dividing nk labeled items into n unlabeled boxes with k items in each box.
A060540
Square array read by antidiagonals downwards: T(n,k) = (n*k)!/(k!^n*n!), (n>=1, k>=1), the number of ways of dividing nk labeled items into n unlabeled boxes with k items in each box.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =1a(6) =1a(7) =10a(8) =15a(9) =1a(10) =1a(11) =35a(12) =280a(13) =105a(14) =1a(15) =1a(16) =126a(17) =5775a(18) =15400a(19) =945a(20) =1a(21) =1a(22) =462a(23) =126126a(24) =2627625a(25) =1401400a(26) =10395a(27) =1a(28) =1a(29) =1716
External references
- oeis: A060540