Sum of neighbor maps: number of 4Xn binary arrays indicating the locations of corresponding elements equal to the sum mod 4 of their horizontal and antidiagonal neighbors in a random 0..3 4Xn array.
A222938
Sum of neighbor maps: number of 4Xn binary arrays indicating the locations of corresponding elements equal to the sum mod 4 of their horizontal and antidiagonal neighbors in a random 0..3 4Xn array.
Terms
- a(0) =16a(1) =232a(2) =4096a(3) =63488a(4) =1047664a(5) =16776992a(6) =268435456a(7) =4294967296a(8) =68702202624
External references
- oeis: A222938