Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 3,2,1,0,4 for x=0,1,2,3,4.
A196975
Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 3,2,1,0,4 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =5a(2) =65a(3) =2425a(4) =272332a(5) =91153533a(6) =90401915964
External references
- oeis: A196975