Total number of n-tuples of semi-Dyck paths from (0,0) to (n,n-2*j) for j = 0..floor(n/2).

A357825

Total number of n-tuples of semi-Dyck paths from (0,0) to (n,n-2*j) for j = 0..floor(n/2).

Terms

    a(0) =1a(1) =1a(2) =2a(3) =9a(4) =98a(5) =4150a(6) =562692a(7) =211106945a(8) =404883552194

External references