

A120968


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


0




OFFSET

1,1


REFERENCES

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, 18601871. See Table 15, column 2 on page 1868.


LINKS



EXAMPLE

If p=21 then the parameter I_D is 2494 which is the eighth term in the sequence. See the paper by Elena V. Konstantinova and Maxim V. Vidyuk for the definition of I_D.


CROSSREFS



KEYWORD

nonn,uned


AUTHOR



STATUS

approved



