Number of (n+2)X4 0..3 arrays with every 3X3 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..3 introduced in row major order.
A204050
Number of (n+2)X4 0..3 arrays with every 3X3 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..3 introduced in row major order.
Terms
- a(0) =10447a(1) =112362a(2) =756338a(3) =5883499a(4) =45689226a(5) =361569647a(6) =2777961511a(7) =21501371450a(8) =166160922266
External references
- oeis: A204050