T(n,k) = Number of (n+1) X (k+1) 0..3 arrays colored with the sets of distinct values in every 2 X 2 subblock, with new values 0..3 introduced row-major order.

A236262

T(n,k) = Number of (n+1) X (k+1) 0..3 arrays colored with the sets of distinct values in every 2 X 2 subblock, with new values 0..3 introduced row-major order.