Number of (n+1)X3 0..3 arrays with no 2X2 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..3 introduced in row major order.
A203872
Number of (n+1)X3 0..3 arrays with no 2X2 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..3 introduced in row major order.
Terms
- a(0) =55a(1) =1135a(2) =23815a(3) =500095a(4) =10501975a(5) =220541455a(6) =4631370535a(7) =97258781215
External references
- oeis: A203872