Number of nonary sequences of length n such that no two consecutive terms have distance 1.
A287816
Number of nonary sequences of length n such that no two consecutive terms have distance 1.
Terms
- a(0) =1a(1) =9a(2) =65a(3) =471a(4) =3413a(5) =24733a(6) =179233a(7) =1298853a(8) =9412437a(9) =68209395a(10) =494295113a(11) =3582023557a(12) =25957960001a(13) =188110345129
External references
- oeis: A287816