Number of (n+1)X(n+1) 0..2 arrays with no 2X2 subblock diagonal sum less antidiagonal sum equal to any horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum.
A185847
Number of (n+1)X(n+1) 0..2 arrays with no 2X2 subblock diagonal sum less antidiagonal sum equal to any horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum.
Terms
- a(0) =81a(1) =11610a(2) =9546820a(3) =44035074450
External references
- oeis: A185847