17481072

Appears in sequences

• Number of nX5 0..n+5-2 arrays with upper left zero and lower right n+5-2 and each element differing from its horizontal and antidiagonal neighbors by one or two.at n=3A265463
• T(n,k)=Number of nXk 0..n+k-2 arrays with upper left zero and lower right n+k-2 and each element differing from its horizontal and antidiagonal neighbors by one or two.at n=31A265466
• Number of 4Xn 0..4+n-2 arrays with upper left zero and lower right 4+n-2 and each element differing from its horizontal and antidiagonal neighbors by one or two.at n=4A265469