2346415828

Appears in sequences

• Number of (n+1)X2 0..3 arrays with no 2X2 subblock diagonal sum less antidiagonal sum equal to any horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum.at n=6A186197
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no 2X2 subblock diagonal sum less antidiagonal sum equal to any horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum.at n=21A186200