T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having two distinct values, and new values 0..2 introduced in row major order.

A209897

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having two distinct values, and new values 0..2 introduced in row major order.