Number of (n+1)X3 0..2 arrays with no 2X2 subblock trace equal to any horizontal or vertical neighbor 2X2 subblock trace.

A186134

Number of (n+1)X3 0..2 arrays with no 2X2 subblock trace equal to any horizontal or vertical neighbor 2X2 subblock trace.

Terms

    a(0) =558a(1) =7686a(2) =107874a(3) =1512792a(4) =21216780a(5) =297562572a(6) =4173269994a(7) =58529531286a(8) =820868250834

External references