a(n) is the number of Dyck paths of length 4n and height n.
A268316
a(n) is the number of Dyck paths of length 4n and height n.
Terms
- a(0) =1a(1) =1a(2) =7a(3) =57a(4) =484a(5) =4199a(6) =36938a(7) =328185a(8) =2937932a(9) =26457508a(10) =239414383a(11) =2175127695a(12) =19827974412a(13) =181266501290
External references
- oeis: A268316