Number A(n,k) of ordered set partitions of [n] with at most k elements per block; square array A(n,k), n>=0, k>=0, read by antidiagonals.

A276921

Number A(n,k) of ordered set partitions of [n] with at most k elements per block; square array A(n,k), n>=0, k>=0, read by antidiagonals.

Terms

    a(0) =1a(1) =1a(2) =0a(3) =1a(4) =1a(5) =0a(6) =1a(7) =1a(8) =2a(9) =0a(10) =1a(11) =1a(12) =3a(13) =6a(14) =0a(15) =1a(16) =1a(17) =3a(18) =12a(19) =24a(20) =0a(21) =1a(22) =1a(23) =3a(24) =13a(25) =66a(26) =120a(27) =0a(28) =1a(29) =1

External references