Number of (n+1)X(n+1) 0..3 arrays with no 2X2 subblock summing to less than 6.

A184664

Number of (n+1)X(n+1) 0..3 arrays with no 2X2 subblock summing to less than 6.

Terms

    a(0) =150a(1) =67330a(2) =266060160

External references