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

A302898

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

Terms

    a(0) =61a(1) =594a(2) =6669a(3) =67054a(4) =704834a(5) =7570716a(6) =84889638a(7) =992272308a(8) =12127342203a(9) =154898419006

External references