Number of solid standard Young tableaux of shape [[3*n,n],[n]].

A215686

Number of solid standard Young tableaux of shape [[3*n,n],[n]].

Terms

    a(0) =1a(1) =12a(2) =690a(3) =52808a(4) =4558410a(5) =420421056a(6) =40433534960

External references