Number of ballot sequences of length n having exactly nine descents.

A241802

Number of ballot sequences of length n having exactly nine descents.

Terms

    a(0) =5a(1) =555a(2) =24060a(3) =595052a(4) =10131071a(5) =131722015a(6) =1394425753a(7) =12538397433a(8) =98654859370a(9) =694083988620

External references