Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 4,1,2,0,3 for x=0,1,2,3,4.
A196960
Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 4,1,2,0,3 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =6a(2) =101a(3) =5465a(4) =1210968a(5) =906566345
External references
- oeis: A196960