Number of n X 3 0..1 arrays with every element equal to 1, 2, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero.
A299137
Number of n X 3 0..1 arrays with every element equal to 1, 2, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =18a(2) =129a(3) =899a(4) =6205a(5) =43066a(6) =298361a(7) =2068149a(8) =14334327a(9) =99354814a(10) =688646455a(11) =4773147461a(12) =33083623049a(13) =229309139316
External references
- oeis: A299137