Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 4,3,1,1,1 for x=0,1,2,3,4.
A197358
Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 4,3,1,1,1 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =1a(2) =33a(3) =803a(4) =79051a(5) =24799027a(6) =22225081365
External references
- oeis: A197358