Number of (n+1)X5 0..3 arrays with every 2X2 subblock trace equal to some horizontal or vertical neighbor 2X2 subblock trace.

A185802

Number of (n+1)X5 0..3 arrays with every 2X2 subblock trace equal to some horizontal or vertical neighbor 2X2 subblock trace.

Terms

    a(0) =30976a(1) =5177344a(2) =593036512a(3) =77815012608

External references