Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 3,0,1,4,2 for x=0,1,2,3,4.
A196293
Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 3,0,1,4,2 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =9a(2) =58a(3) =2161a(4) =160800a(5) =29726608a(6) =14372583192
External references
- oeis: A196293