Number of (n+2)X9 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.
A204055
Number of (n+2)X9 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) =290942303a(1) =2777961511a(2) =18455232523a(3) =133138952807
External references
- oeis: A204055