Number of octonary sequences of length n such that no two consecutive terms have distance 7.

A287815

Number of octonary sequences of length n such that no two consecutive terms have distance 7.

Terms

    a(0) =1a(1) =8a(2) =62a(3) =482a(4) =3746a(5) =29114a(6) =226274a(7) =1758602a(8) =13667858a(9) =106226618a(10) =825593474a(11) =6416514026a(12) =49869159026a(13) =387583197338

External references