3701360

Appears in sequences

• 1/5 the number of n X 2 0..4 arrays with every element equal to exactly one or two of its horizontal and vertical neighbors.at n=7A185818
• 1/5 the number of nX8 0..4 arrays with every element equal to exactly one or two of its horizontal and vertical neighbors.at n=1A185824
• T(n,k)=1/5 the number of nXk 0..4 arrays with every element equal to exactly one or two of its horizontal and vertical neighbors.at n=37A185825