51292

Appears in sequences

• Number of (n+2)X(4+2) 0..3 arrays with every consecutive three elements in every row, column, diagonal and antidiagonal having exactly two distinct values, and new values 0 upwards introduced in row major order.at n=6A253040
• Number of (n+2)X(7+2) 0..3 arrays with every consecutive three elements in every row, column, diagonal and antidiagonal having exactly two distinct values, and new values 0 upwards introduced in row major order.at n=3A253043
• The number of ways to tile (with squares and rectangles) a 2 X (n+2) strip with the upper left and upper right squares removed.at n=9A316726