Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 1,3,2,4,0 for x=0,1,2,3,4.
A196916
Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 1,3,2,4,0 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =2a(2) =7a(3) =37a(4) =602a(5) =18354a(6) =1272060a(7) =208122448a(8) =79321631051
External references
- oeis: A196916