641763520

Appears in sequences

• Number of (n+2) X (2+2) 0..2 arrays with no row, column, diagonal or antidiagonal in any 3 X 3 subblock summing to 3.at n=4A251952
• T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 3.at n=16A251955
• T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 3.at n=19A251955