Number of Dyck paths of semilength 3*n and height n.

A289473

Number of Dyck paths of semilength 3*n and height n.

Terms

    a(0) =1a(1) =1a(2) =31a(3) =1341a(4) =59917a(5) =2665884a(6) =117939506a(7) =5201391077a(8) =229151753951

External references