Triangle T(n,k), n>=0, 0<=k<=C(n,2), read by rows: T(n,k) = number of k-length saturated chains in the poset of Dyck paths of semilength n ordered by inclusion.
A193536
Triangle T(n,k), n>=0, 0<=k<=C(n,2), read by rows: T(n,k) = number of k-length saturated chains in the poset of Dyck paths of semilength n ordered by inclusion.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =1a(4) =5a(5) =5a(6) =4a(7) =2a(8) =14a(9) =21a(10) =30a(11) =38a(12) =40a(13) =32a(14) =16a(15) =42a(16) =84a(17) =168a(18) =322a(19) =578a(20) =952a(21) =1408a(22) =1808a(23) =1920a(24) =1536a(25) =768a(26) =132a(27) =330a(28) =840a(29) =2112
External references
- oeis: A193536