Number T(n,k) of entries in the k-th blocks of all set partitions of [n] when blocks are ordered by decreasing lengths (and increasing smallest elements); triangle T(n,k), n>=1, 1<=k<=n, read by rows.
A319375
Number T(n,k) of entries in the k-th blocks of all set partitions of [n] when blocks are ordered by decreasing 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) =10a(4) =4a(5) =1a(6) =35a(7) =17a(8) =7a(9) =1a(10) =136a(11) =76a(12) =36a(13) =11a(14) =1a(15) =577a(16) =357a(17) =186a(18) =81a(19) =16a(20) =1a(21) =2682a(22) =1737a(23) =1023a(24) =512a(25) =162a(26) =22a(27) =1a(28) =13435a(29) =8997
External references
- oeis: A319375