Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,1,0,2,3 for x=0,1,2,3,4.
A196949
Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,1,0,2,3 for x=0,1,2,3,4.
Terms
- a(0) =40a(1) =6440a(2) =393585a(3) =33344883a(4) =2668162530a(5) =215125975535
External references
- oeis: A196949