Sum of neighbor maps: number of 3Xn 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 3Xn array.
A222937
Sum of neighbor maps: number of 3Xn 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 3Xn array.
Terms
- a(0) =8a(1) =64a(2) =512a(3) =4000a(4) =32760a(5) =262104a(6) =2097152a(7) =16777216a(8) =134217728a(9) =1073741824a(10) =8589499198a(11) =68719476736a(12) =549755813888
External references
- oeis: A222937