a(n) = number of lattice paths from (0,0) to (3n,2n) which lie wholly below the line 3y=2x, only touching at the endpoints.

A293946

a(n) = number of lattice paths from (0,0) to (3n,2n) which lie wholly below the line 3y=2x, only touching at the endpoints.

Terms

    a(0) =1a(1) =2a(2) =19a(3) =293a(4) =5452a(5) =112227a(6) =2460954a(7) =56356938a(8) =1332055265a(9) =32251721089a(10) =795815587214

External references