197892

Appears in sequences

• Number of nX4 0..1 arrays with no 1 equal to more than one of its horizontal, vertical and antidiagonal neighbors.at n=5A282858
• Number of n X 6 0..1 arrays with no 1 equal to more than one of its horizontal, vertical and antidiagonal neighbors.at n=3A282860
• T(n,k)=Number of nXk 0..1 arrays with no 1 equal to more than one of its horizontal, vertical and antidiagonal neighbors.at n=39A282862
• T(n,k)=Number of nXk 0..1 arrays with no 1 equal to more than one of its horizontal, vertical and antidiagonal neighbors.at n=41A282862
• Numbers k such that k is the altitude of a Heronian triangle with sides m - 11, m, m + 11.at n=22A296796