Sum of neighbor maps: number of n X 6 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 6 array.
A221070
Sum of neighbor maps: number of n X 6 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 6 array.
Terms
- a(0) =64a(1) =476a(2) =262144a(3) =16777216a(4) =811440640a(5) =68719476736
External references
- oeis: A221070