Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,2,1,0,1 for x=0,1,2,3,4.
A197802
Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,2,1,0,1 for x=0,1,2,3,4.
Terms
- a(0) =4a(1) =154a(2) =3713a(3) =84258a(4) =1944779a(5) =45619023a(6) =1067467454a(7) =24842719624a(8) =579640352124
External references
- oeis: A197802