Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 2,3,1,0,4 for x=0,1,2,3,4.
A196740
Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 2,3,1,0,4 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =1a(2) =20a(3) =401a(4) =35202a(5) =7942712a(6) =5423213789
External references
- oeis: A196740