Number of n X n binary arrays with all 1s connected, a path of 1s from top row to lower right corner, and no 1 having more than two 1s adjacent.

A163694

Number of n X n binary arrays with all 1s connected, a path of 1s from top row to lower right corner, and no 1 having more than two 1s adjacent.

Terms

    a(0) =1a(1) =5a(2) =28a(3) =259a(4) =3643a(5) =76848a(6) =2583720a(7) =142650787a(8) =13162407450

External references