Number of length-n 0..n arrays with no repeated value differing from the previous repeated value by other than one.
A269530
Number of length-n 0..n arrays with no repeated value differing from the previous repeated value by other than one.
Terms
- a(0) =2a(1) =9a(2) =60a(3) =568a(4) =6890a(5) =102202a(6) =1792788a(7) =36313762a(8) =834223586a(9) =21432797300a(10) =608957461160
External references
- oeis: A269530