89179

Appears in sequences

• Number of nX1 0..4 arrays with each element equal to the number its horizontal and vertical neighbors less than or equal to itself.at n=15A196537
• Number of zero-sum -n..n arrays of 4 elements with adjacent element differences also in -n..n.at n=35A202254
• Number of n X 2 integer arrays with each element equal to the number of horizontal and antidiagonal neighbors less than or equal to itself.at n=7A266049
• T(n,k)=Number of nXk integer arrays with each element equal to the number of horizontal and antidiagonal neighbors less than or equal to itself.at n=43A266055