Sum of neighbor maps: number of n X n binary arrays indicating the locations of corresponding elements equal to the sum mod 4 of their king-move neighbors in a random 0..3 n X n array.
A221065
Sum of neighbor maps: number of n X n binary arrays indicating the locations of corresponding elements equal to the sum mod 4 of their king-move neighbors in a random 0..3 n X n array.
Terms
- a(0) =2a(1) =8a(2) =512a(3) =65536a(4) =17530176a(5) =68719476736
External references
- oeis: A221065