Number of n-tuples (p_1, p_2, ..., p_n) of Dyck paths of semilength n, such that each p_i is never below p_{i-1}.
A355400
Number of n-tuples (p_1, p_2, ..., p_n) of Dyck paths of semilength n, such that each p_i is never below p_{i-1}.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =30a(4) =1001a(5) =111384a(6) =41314284a(7) =51067020290
External references
- oeis: A355400