Number of circular permutations of length n without modular 3-sequences.

A165962

Number of circular permutations of length n without modular 3-sequences.

Terms

    a(0) =1a(1) =5a(2) =18a(3) =95a(4) =600a(5) =4307a(6) =35168a(7) =321609a(8) =3257109a(9) =36199762a(10) =438126986a(11) =5736774126a(12) =80808984725

External references