Number of (n+2)X9 0..2 arrays with every 3X3 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..2 introduced in row major order.
A204152
Number of (n+2)X9 0..2 arrays with every 3X3 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..2 introduced in row major order.
Terms
- a(0) =23538722a(1) =169527242a(2) =864266300a(3) =4577683574a(4) =25275772916a(5) =138134688554a(6) =770374556792
External references
- oeis: A204152