Number of nX5 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.
A197204
Number of nX5 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) =4a(1) =154a(2) =3649a(3) =82408a(4) =1890344a(5) =44049565a(6) =1024514869a(7) =23694062554a(8) =549372026526
External references
- oeis: A197204