Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,3,2,0,1 for x=0,1,2,3,4.
A197089
Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,3,2,0,1 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =161a(2) =7537a(3) =289564a(4) =12635748a(5) =522569033a(6) =21989908007a(7) =923559415946
External references
- oeis: A197089