Number T(n,k) of entries in the k-th blocks of all set partitions of [n] when blocks are ordered by increasing lengths (and increasing smallest elements); triangle T(n,k), n>=1, 1<=k<=n, read by rows.
A319298
Number T(n,k) of entries in the k-th blocks of all set partitions of [n] when blocks are ordered by increasing lengths (and increasing smallest elements); triangle T(n,k), n>=1, 1<=k<=n, read by rows.
Terms
- a(0) =1a(1) =3a(2) =1a(3) =7a(4) =7a(5) =1a(6) =21a(7) =25a(8) =13a(9) =1a(10) =66a(11) =101a(12) =71a(13) =21a(14) =1a(15) =258a(16) =366a(17) =396a(18) =166a(19) =31a(20) =1a(21) =1079a(22) =1555a(23) =1877a(24) =1247a(25) =337a(26) =43a(27) =1a(28) =4987a(29) =7099
External references
- oeis: A319298