Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 4,0,1,2,3 for x=0,1,2,3,4.
A196679
Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 4,0,1,2,3 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =9a(2) =58a(3) =2245a(4) =188078a(5) =39696088a(6) =23029545105
External references
- oeis: A196679