Triangle read by rows: T(n,k) is the number of Schroeder paths of length 2n and having k peaks at odd height.

A101894

Triangle read by rows: T(n,k) is the number of Schroeder paths of length 2n and having k peaks at odd height.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =3a(4) =2a(5) =1a(6) =10a(7) =8a(8) =3a(9) =1a(10) =36a(11) =34a(12) =15a(13) =4a(14) =1a(15) =137a(16) =150a(17) =77a(18) =24a(19) =5a(20) =1a(21) =543a(22) =678a(23) =399a(24) =144a(25) =35a(26) =6a(27) =1a(28) =2219a(29) =3116

External references