Number of paths through an array.

A006676

Number of paths through an array.

Terms

    a(0) =6a(1) =104a(2) =1345a(3) =16344a(4) =200452a(5) =2552192a(6) =34138908a(7) =482076000a(8) =7196676696a(9) =113548220928

External references