Sum of neighbor maps: number of n X 3 binary arrays indicating the locations of corresponding elements equal to the sum mod 3 of their horizontal and antidiagonal neighbors in a random 0..2 n X 3 array.

A222382

Sum of neighbor maps: number of n X 3 binary arrays indicating the locations of corresponding elements equal to the sum mod 3 of their horizontal and antidiagonal neighbors in a random 0..2 n X 3 array.

Terms

    a(0) =8a(1) =48a(2) =512a(3) =3968a(4) =32768a(5) =261376a(6) =2097152a(7) =16773120a(8) =134217728a(9) =1073721344a(10) =8589934592a(11) =68719378432a(12) =549755813888

External references