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

A097891

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

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =2a(6) =5a(7) =3a(8) =1a(9) =12a(10) =6a(11) =3a(12) =28a(13) =16a(14) =6a(15) =1a(16) =66a(17) =44a(18) =13a(19) =4a(20) =159a(21) =117a(22) =36a(23) =10a(24) =1a(25) =390a(26) =308a(27) =108a(28) =24a(29) =5

External references