Number A(n,k) of set partitions of {1,...,k*n} into sets of size at most n; square array A(n,k), n>=0, k>=0, read by antidiagonals.
A229243
Number A(n,k) of set partitions of {1,...,k*n} into sets of size at most n; square array A(n,k), n>=0, k>=0, read by antidiagonals.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =1a(7) =1a(8) =2a(9) =1a(10) =1a(11) =1a(12) =10a(13) =5a(14) =1a(15) =1a(16) =1a(17) =76a(18) =166a(19) =15a(20) =1a(21) =1a(22) =1a(23) =764a(24) =12644a(25) =3795a(26) =52a(27) =1a(28) =1a(29) =1
External references
- oeis: A229243