Number of n-ascent sequences of length n with no consecutive repeated letters.

A264916

Number of n-ascent sequences of length n with no consecutive repeated letters.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =12a(4) =110a(5) =1380a(6) =21931a(7) =422128a(8) =9544164a(9) =247924425a(10) =7276062838a(11) =238094692473

External references