478107878
domain: N
Appears in sequences
- Half the number of n X n 0..3 arrays with no element equal to the average of its horizontal and vertical neighbors.at n=3A197101
- Half the number of nX4 0..3 arrays with no element equal to the average of its horizontal and vertical neighbors.at n=3A197105
- T(n,k)=Half the number of nXk 0..3 arrays with no element equal to the average of its horizontal and vertical neighbors.at n=24A197109