Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 3,1,0,4,2 for x=0,1,2,3,4.
A196699
Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 3,1,0,4,2 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =11a(2) =207a(3) =16676a(4) =4114365a(5) =3444722540
External references
- oeis: A196699