Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,2,1,0,3 for x=0,1,2,3,4.
A197203
Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,2,1,0,3 for x=0,1,2,3,4.
Terms
- a(0) =3a(1) =47a(2) =588a(3) =7073a(4) =82408a(5) =977946a(6) =11746093a(7) =140398339a(8) =1673987573a(9) =19978425920a(10) =238603437585
External references
- oeis: A197203