Number of (n+1)X(n+1) 0..3 arrays colored with the upper median value of each 2X2 subblock.

A235964

Number of (n+1)X(n+1) 0..3 arrays colored with the upper median value of each 2X2 subblock.

Terms

    a(0) =256a(1) =16744a(2) =872370a(3) =77914322a(4) =13646551852

External references