Number of (n+1)X(n+1) 0..2 arrays with every 2X3 or 3X2 subblock having exactly two equal edges, and new values 0..2 introduced in row major order.

A206207

Number of (n+1)X(n+1) 0..2 arrays with every 2X3 or 3X2 subblock having exactly two equal edges, and new values 0..2 introduced in row major order.

Terms

    a(0) =14a(1) =130a(2) =760a(3) =8136a(4) =86152a(5) =1764000a(6) =68074272a(7) =2870491680a(8) =232945511040

External references