Number of degeneracies on the sets of n ordinary trees with n vertices. These are the values of the Randic index, 'chi', in Table 15 of the paper by Elena V. Konstantinova and Maxim V. Vidyuk.

A125068

Number of degeneracies on the sets of n ordinary trees with n vertices. These are the values of the Randic index, 'chi', in Table 15 of the paper by Elena V. Konstantinova and Maxim V. Vidyuk.

Terms

    a(0) =4a(1) =14a(2) =45a(3) =128a(4) =368a(5) =979a(6) =2601a(7) =6776a(8) =17641a(9) =45690a(10) =118956a(11) =309482a(12) =808323a(13) =2119187

External references