Number of (n+1)X(n+1) 0..2 arrays with the number of clockwise edge increases in every 2X2 subblock the same.

A205902

Number of (n+1)X(n+1) 0..2 arrays with the number of clockwise edge increases in every 2X2 subblock the same.

Terms

    a(0) =81a(1) =2943a(2) =327501a(3) =103275303a(4) =87381878025

External references