Number of (n+1)X(3+1) 0..3 arrays colored with the sets of distinct values in every 2X2 subblock.

A236122

Number of (n+1)X(3+1) 0..3 arrays colored with the sets of distinct values in every 2X2 subblock.

Terms

    a(0) =37584a(1) =2692656a(2) =193943760a(3) =13978797888

External references