Number of length-n 0..n arrays with no repeated value differing from the previous repeated value by other than plus two or minus 1.
A269634
Number of length-n 0..n arrays with no repeated value differing from the previous repeated value by other than plus two or minus 1.
Terms
- a(0) =2a(1) =9a(2) =60a(3) =567a(4) =6876a(5) =101999a(6) =1789528a(7) =36254755a(8) =833022466a(9) =21405491763a(10) =608269658548
External references
- oeis: A269634