A121222 - OEIS

%I #2 Mar 30 2012 17:25:49

%S 2,2,28,22,261,258,2196,2164,17255,18175,133071,147986

%N Number of degeneracies on the sets of N ordinary trees with p vertices.

%D Elena V. Konstantinova and Maxim V. Vidyuk, "Discriminating tests of information and topological indices. Animals and trees", J. Chem. Inf. Comput. Sci., (2003), vol. 43, 1860-1871. See Table 15, column 7 on page 1868.

%e If p=16 then the parameter H_2 is 2196 which is the seventh term in the sequence. See the paper by Elena V. Konstantinova and Maxim V. Vidyuk for the definition of H_2.

%K nonn,uned

%O 1,1

%A _Parthasarathy Nambi_, Aug 20 2006