Number of n X 7 0..1 arrays with new values 0..1 introduced in row major order and no element equal to more than one of its immediate leftward or upward or right-upward antidiagonal neighbors.
A208636
Number of n X 7 0..1 arrays with new values 0..1 introduced in row major order and no element equal to more than one of its immediate leftward or upward or right-upward antidiagonal neighbors.
Terms
- a(0) =64a(1) =191a(2) =628a(3) =2149a(4) =7504a(5) =26508a(6) =94320a(7) =337227a(8) =1209736a(9) =4349981a(10) =15668332a(11) =56505640a(12) =203961088a(13) =736686999a(14) =2662084284a(15) =9622940853a(16) =34793691400a(17) =125826023972a(18) =455089068016
External references
- oeis: A208636