Number of n X 7 0..1 arrays with every element unequal to 1, 2, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A318213
Number of n X 7 0..1 arrays with every element unequal to 1, 2, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =8a(1) =102a(2) =329a(3) =2321a(4) =20502a(5) =155972a(6) =1122773a(7) =8679924a(8) =65844976a(9) =507320695a(10) =3880082075a(11) =29828690068a(12) =228795498352
External references
- oeis: A318213