Number of (n+1) X 2 0..3 arrays with no 2 X 2 subblock having the same number of equal edges as its horizontal or vertical neighbors, and new values 0..3 introduced in row major order.

A205347

Number of (n+1) X 2 0..3 arrays with no 2 X 2 subblock having the same number of equal edges as its horizontal or vertical neighbors, and new values 0..3 introduced in row major order.

Terms

    a(0) =15a(1) =110a(2) =1024a(3) =9894a(4) =96288a(5) =937926a(6) =9140400a(7) =89074638a(8) =868054608a(9) =8459432046a(10) =82439625888a(11) =803396884086

External references