226627855

Appears in sequences

• Number of nX3 0..n+3-2 arrays with upper left zero and lower right n+3-2 and each element differing from its horizontal and antidiagonal neighbors by one or two.at n=6A265461
• Number of 7Xn 0..7+n-2 arrays with upper left zero and lower right 7+n-2 and each element differing from its horizontal and antidiagonal neighbors by one or two.at n=2A265472