4207437

Appears in sequences

• Half the number of (n+1)X(n+1) 0..3 arrays with every 2X2 subblock diagonal sum differing from its antidiagonal sum by more than 3.at n=3A184222
• Half the number of (n+1)X5 0..3 arrays with every 2X2 subblock diagonal sum differing from its antidiagonal sum by more than 3.at n=3A184226
• T(n,k)=Half the number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock diagonal sum differing from its antidiagonal sum by more than 3.at n=24A184231