Number of (n+1)X(n+1) 0..3 arrays with every 2X2 subblock sum greater than 6.

A184208

Number of (n+1)X(n+1) 0..3 arrays with every 2X2 subblock sum greater than 6.

Terms

    a(0) =106a(1) =30994a(2) =57181621a(3) =977644225220

External references