Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,3,0,1,2 for x=0,1,2,3,4.
A197233
Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,3,0,1,2 for x=0,1,2,3,4.
Terms
- a(0) =8a(1) =186a(2) =5355a(3) =141210a(4) =3710070a(5) =98514881a(6) =2633810897a(7) =70009757794
External references
- oeis: A197233