Number of permutations of length n with one 3-sequence.

A002629

Number of permutations of length n with one 3-sequence.

Terms

    a(0) =0a(1) =0a(2) =1a(3) =2a(4) =11a(5) =62a(6) =406a(7) =3046a(8) =25737a(9) =242094a(10) =2510733a(11) =28473604a(12) =350651588a(13) =4661105036a(14) =66529260545

External references