Number of n X 2 0..5 arrays with every 2 X 2 subblock containing exactly one value repeat, and new values 0..5 introduced in row major order.

A209738

Number of n X 2 0..5 arrays with every 2 X 2 subblock containing exactly one value repeat, and new values 0..5 introduced in row major order.

Terms

    a(0) =2a(1) =6a(2) =57a(3) =700a(4) =10594a(5) =183240a(6) =3412100a(7) =65953664a(8) =1298076552a(9) =25767620512a(10) =513555943312

External references