Number of (n+1)X6 0..2 arrays containing all values 0..2 with every 2X2 subblock having two distinct values, and new values 0..2 introduced in row major order.

A210049

Number of (n+1)X6 0..2 arrays containing all values 0..2 with every 2X2 subblock having two distinct values, and new values 0..2 introduced in row major order.

Terms

    a(0) =2695a(1) =114237a(2) =5169813a(3) =240224641a(4) =11175987745a(5) =518401340537

External references