Number of length n arrays x(i), i=1..n with x(i) in i..i+7 and no value appearing more than 3 times.

A250360

Number of length n arrays x(i), i=1..n with x(i) in i..i+7 and no value appearing more than 3 times.

Terms

    a(0) =8a(1) =64a(2) =512a(3) =4091a(4) =32608a(5) =259106a(6) =2052904a(7) =16234706a(8) =128373416a(9) =1015004124a(10) =8024737888a(11) =63441430784a(12) =501536079048

External references