Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n and having height of the first peak equal to k (1 <= k <= n).

A128744

Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n and having height of the first peak equal to k (1 <= k <= n).

Terms

    a(0) =1a(1) =1a(2) =2a(3) =3a(4) =3a(5) =4a(6) =10a(7) =10a(8) =8a(9) =8a(10) =36a(11) =36a(12) =29a(13) =20a(14) =16a(15) =137a(16) =137a(17) =111a(18) =78a(19) =48a(20) =32a(21) =543a(22) =543a(23) =442a(24) =315a(25) =200a(26) =112a(27) =64a(28) =2219a(29) =2219

External references