Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 4,3,2,1,0 for x=0,1,2,3,4.
A197210
Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 4,3,2,1,0 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =2a(2) =14a(3) =221a(4) =10210a(5) =1130812a(6) =322715244a(7) =242641943340
External references
- oeis: A197210