Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,2,1,0,0 for x=0,1,2,3,4.
A197179
Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,2,1,0,0 for x=0,1,2,3,4.
Terms
- a(0) =9a(1) =363a(2) =11424a(3) =367813a(4) =13530178a(5) =467923636a(6) =16686610707a(7) =589208849137
External references
- oeis: A197179