Number of length-n 0..n arrays with no repeated value differing from the previous repeated value by other than plus or minus one modulo n+1.
A269672
Number of length-n 0..n arrays with no repeated value differing from the previous repeated value by other than plus or minus one modulo n+1.
Terms
- a(0) =2a(1) =9a(2) =60a(3) =570a(4) =6918a(5) =102606a(6) =1799256a(7) =36430614a(8) =836599530a(9) =21486777246a(10) =610316761236
External references
- oeis: A269672