Number T(n,k) of ordered set partitions of [n] where k is minimal such that for each block b the smallest integer interval containing b has at most k elements; triangle T(n,k), n>=0, 0<=k<=n, read by rows.

A276891

Number T(n,k) of ordered set partitions of [n] where k is minimal such that for each block b the smallest integer interval containing b has at most k elements; triangle T(n,k), n>=0, 0<=k<=n, read by rows.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =0a(4) =2a(5) =1a(6) =0a(7) =6a(8) =4a(9) =3a(10) =0a(11) =24a(12) =20a(13) =18a(14) =13a(15) =0a(16) =120a(17) =114a(18) =118a(19) =114a(20) =75a(21) =0a(22) =720a(23) =750a(24) =878a(25) =924a(26) =870a(27) =541a(28) =0a(29) =5040

External references