Number of octonary sequences of length n such that no two consecutive terms have distance 3.

A287814

Number of octonary sequences of length n such that no two consecutive terms have distance 3.

Terms

    a(0) =1a(1) =8a(2) =54a(3) =366a(4) =2482a(5) =16834a(6) =114178a(7) =774426a(8) =5252642a(9) =35626714a(10) =241642738a(11) =1638972746a(12) =11116542082a(13) =75399367194a(14) =511405842898

External references