Number of (n+1)X(n+1) 0..2 arrays colored with the sets of distinct values in every 2X2 subblock.

A236147

Number of (n+1)X(n+1) 0..2 arrays colored with the sets of distinct values in every 2X2 subblock.

Terms

    a(0) =81a(1) =2502a(2) =146568a(3) =18147240a(4) =4851646302

External references