Number of ordered unlabeled rooted trees with n nodes such that the minimal outdegree of inner nodes equals 9.

A244538

Number of ordered unlabeled rooted trees with n nodes such that the minimal outdegree of inner nodes equals 9.

Terms

    a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =0a(9) =9a(10) =19a(11) =20a(12) =21a(13) =22a(14) =23a(15) =24a(16) =25a(17) =26a(18) =144a(19) =406a(20) =841a(21) =1335a(22) =1891a(23) =2512a(24) =3201a(25) =3961a(26) =4795a(27) =7491a(28) =14467a(29) =28861

External references