Half the number of nX2 0..3 arrays with no element equal to the average of its horizontal and vertical neighbors.
A197103
Half the number of nX2 0..3 arrays with no element equal to the average of its horizontal and vertical neighbors.
Terms
- a(0) =6a(1) =78a(2) =1015a(3) =13526a(4) =181032a(5) =2421376a(6) =32393085a(7) =433365018a(8) =5797636941a(9) =77561969587
External references
- oeis: A197103