Number of nX6 0..1 arrays with every element unequal to 1, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.
A305087
Number of nX6 0..1 arrays with every element unequal to 1, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =5a(1) =157a(2) =438a(3) =372a(4) =15814a(5) =101803a(6) =285422a(7) =3531950a(8) =30133609a(9) =154643412a(10) =1197607542a(11) =9877914471a(12) =64506159901a(13) =457810704440
External references
- oeis: A305087