Number of parking functions of length 2n whose maximum element is n.

A291121

Number of parking functions of length 2n whose maximum element is n.

Terms

    a(0) =1a(1) =1a(2) =14a(3) =596a(4) =51570a(5) =7499467a(6) =1643722873a(7) =505862470010

External references