Triangle read by rows where T(n,k) is the number of separable type set partitions of {1..n} into k blocks.
A386635
Triangle read by rows where T(n,k) is the number of separable type set partitions of {1..n} into k blocks.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =0a(4) =0a(5) =1a(6) =0a(7) =0a(8) =3a(9) =1a(10) =0a(11) =0a(12) =3a(13) =6a(14) =1a(15) =0a(16) =0a(17) =10a(18) =25a(19) =10a(20) =1a(21) =0a(22) =0a(23) =10a(24) =75a(25) =65a(26) =15a(27) =1a(28) =0a(29) =0
External references
- oeis: A386635