Triangle read by rows: T(n,k) is the number of Dyck n-paths (A000108) whose longest pyramid has size k.

A120059

Triangle read by rows: T(n,k) is the number of Dyck n-paths (A000108) whose longest pyramid has size k.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =1a(6) =0a(7) =2a(8) =2a(9) =1a(10) =0a(11) =5a(12) =6a(13) =2a(14) =1a(15) =0a(16) =13a(17) =19a(18) =7a(19) =2a(20) =1a(21) =0a(22) =35a(23) =63a(24) =24a(25) =7a(26) =2a(27) =1a(28) =0a(29) =97

External references