Number of (n+1) X 4 0..2 arrays with every 2 X 2 subblock having unequal diagonal elements or unequal antidiagonal elements, and new values 0..2 introduced in row major order.
A204625
Number of (n+1) X 4 0..2 arrays with every 2 X 2 subblock having unequal diagonal elements or unequal antidiagonal elements, and new values 0..2 introduced in row major order.
Terms
- a(0) =768a(1) =43734a(2) =2490558a(3) =141832254a(4) =8077061502a(5) =459972403614
External references
- oeis: A204625