4131348480

Appears in sequences

• Number of n X n 0..2n-2 arrays with upper left zero and lower right 2n-2 and each element differing from its diagonal and antidiagonal neighbors by one or two.at n=4A265473
• Number of nX5 0..n+5-2 arrays with upper left zero and lower right n+5-2 and each element differing from its diagonal and antidiagonal neighbors by one or two.at n=4A265477