Number of permutations of [n] having exactly seven alternating descents.

A302900

Number of permutations of [n] having exactly seven alternating descents.

Terms

    a(0) =1385a(1) =21682a(2) =350240a(3) =4945368a(4) =70145634a(5) =992272308a(6) =14322115212a(7) =211595659320

External references