Number of labeled rooted trees with a degree constraint: ((5*n)!/(120^n)) * C(5*n+1, n).

A036773

Number of labeled rooted trees with a degree constraint: ((5*n)!/(120^n)) * C(5*n+1, n).

Terms

    a(0) =1a(1) =6a(2) =13860a(3) =423783360

External references