Number T(n,k) of set partitions of [n] such that k is the largest element of the last block; triangle T(n,k), n>=1, 1<=k<=n, read by rows.
A271466
Number T(n,k) of set partitions of [n] such that k is the largest element of the last block; triangle T(n,k), n>=1, 1<=k<=n, read by rows.
Terms
- a(0) =1a(1) =0a(2) =2a(3) =0a(4) =1a(5) =4a(6) =0a(7) =1a(8) =4a(9) =10a(10) =0a(11) =1a(12) =6a(13) =15a(14) =30a(15) =0a(16) =1a(17) =10a(18) =29a(19) =59a(20) =104a(21) =0a(22) =1a(23) =18a(24) =63a(25) =139a(26) =250a(27) =406a(28) =0a(29) =1
External references
- oeis: A271466