29245729

Appears in sequences

• Number of (n+2)X(2+2) 0..2 arrays with some row, column, diagonal or antidiagonal in every 3X3 subblock summing to 3.at n=1A251639
• T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with some row, column, diagonal or antidiagonal in every 3X3 subblock summing to 3.at n=4A251641