Triangle read by rows: T(n,k) is the number of linear intervals of height k in the Tamari lattice Tam_n (0 <= k < n).
A384133
Triangle read by rows: T(n,k) is the number of linear intervals of height k in the Tamari lattice Tam_n (0 <= k < n).
Terms
- a(0) =1a(1) =2a(2) =1a(3) =5a(4) =5a(5) =2a(6) =14a(7) =21a(8) =12a(9) =2a(10) =42a(11) =84a(12) =56a(13) =14a(14) =2a(15) =132a(16) =330a(17) =240a(18) =72a(19) =16a(20) =2a(21) =429a(22) =1287a(23) =990a(24) =330a(25) =90a(26) =18a(27) =2a(28) =1430a(29) =5005
External references
- oeis: A384133