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A121222 Number of degeneracies on the sets of N ordinary trees with p vertices. 0
2, 2, 28, 22, 261, 258, 2196, 2164, 17255, 18175, 133071, 147986 (list; graph; refs; listen; history; text; internal format)
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, 1860-1871. See Table 15, column 7 on page 1868.

LINKS

Table of n, a(n) for n=1..12.

EXAMPLE

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.

CROSSREFS

Sequence in context: A236286 A288208 A024577 * A125067 A193618 A246062

Adjacent sequences:  A121219 A121220 A121221 * A121223 A121224 A121225

KEYWORD

nonn,uned

AUTHOR

Parthasarathy Nambi, Aug 20 2006

STATUS

approved

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Last modified September 29 20:22 EDT 2020. Contains 337432 sequences. (Running on oeis4.)