Number of (n+2)X6 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.
A204052
Number of (n+2)X6 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) =622031a(1) =5883499a(2) =39646479a(3) =316144367a(4) =2336174650a(5) =18005605178a(6) =133138952807
External references
- oeis: A204052