Number of triples of non-crossing lattice paths from (0,0) to (n,n) using (1,0) and (0,1) as steps.

A382136

Number of triples of non-crossing lattice paths from (0,0) to (n,n) using (1,0) and (0,1) as steps.

Terms

    a(0) =1a(1) =4a(2) =50a(3) =980a(4) =24696a(5) =731808a(6) =24293412a(7) =877262100a(8) =33803832920

External references