Sum of neighbor maps: number of nX4 binary arrays indicating the locations of corresponding elements equal to the sum mod 4 of their king-move neighbors in a random 0..3 nX4 array.
A221068
Sum of neighbor maps: number of nX4 binary arrays indicating the locations of corresponding elements equal to the sum mod 4 of their king-move neighbors in a random 0..3 nX4 array.
Terms
- a(0) =16a(1) =56a(2) =4096a(3) =65536a(4) =829184a(5) =16777216a(6) =268435456a(7) =4185880576a(8) =68719476736
External references
- oeis: A221068