Number of length-n 0..n arrays with no repeated value differing from the previous repeated value by one.

A269487

Number of length-n 0..n arrays with no repeated value differing from the previous repeated value by one.

Terms

    a(0) =2a(1) =9a(2) =64a(3) =617a(4) =7616a(5) =114695a(6) =2039274a(7) =41805237a(8) =970685708a(9) =25177153349a(10) =721451342084

External references