Number of ballot sequences of length n having largest descent 5.

A244201

Number of ballot sequences of length n having largest descent 5.

Terms

    a(0) =1a(1) =8a(2) =57a(3) =325a(4) =1836a(5) =9631a(6) =50459a(7) =259265a(8) =1338386a(9) =6883858a(10) =35691600a(11) =185658393a(12) =974581172a(13) =5149247182a(14) =27453098035a(15) =147525812345a(16) =799938674416

External references