12013156

Appears in sequences

• Number of (n+2)X(6+2) 0..1 arrays with no 3x3 subblock diagonal sum one and no antidiagonal sum two.at n=6A254852
• Number of (n+2) X (7+2) 0..1 arrays with no 3 X 3 subblock diagonal sum one and no antidiagonal sum two.at n=5A254853