Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n and having k peaks of height >1 (n >= 1; 0 <= k <= n-1).

A128747

Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n and having k peaks of height >1 (n >= 1; 0 <= k <= n-1).

Terms

    a(0) =1a(1) =1a(2) =2a(3) =1a(4) =7a(5) =2a(6) =1a(7) =18a(8) =15a(9) =2a(10) =1a(11) =41a(12) =68a(13) =25a(14) =2a(15) =1a(16) =88a(17) =244a(18) =171a(19) =37a(20) =2a(21) =1a(22) =183a(23) =765a(24) =866a(25) =351a(26) =51a(27) =2a(28) =1a(29) =374

External references