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

A097892

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

Terms

    a(0) =1a(1) =1a(2) =2a(3) =4a(4) =8a(5) =1a(6) =17a(7) =4a(8) =38a(9) =12a(10) =1a(11) =88a(12) =34a(13) =5a(14) =209a(15) =95a(16) =18a(17) =1a(18) =506a(19) =264a(20) =59a(21) =6a(22) =1244a(23) =731a(24) =187a(25) =25a(26) =1a(27) =3097a(28) =2020a(29) =582

External references