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A125067
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Number of degeneracies on the sets of n ordinary trees with n vertices. These are the values of the average distance sum connectivity index, J, in Table 15 of the paper by Elena V. Konstantinova and Maxim V. Vidyuk.
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0
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2, 2, 28, 22, 265, 258, 2217, 2192, 17453, 18378, 134508, 149854
(list; graph; refs; listen; history; internal format)
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OFFSET
| 10,1
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COMMENTS
| See Equation 5 on page 1861 of the paper by Elena V. Konstantinova and Maxim V. Vidyuk.
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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 10 on page 1868.
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EXAMPLE
| If n=10 then the value of the average distance sum connectivity index, J, is 2.
If n=11 then the value of the average distance sum connectivity index, J, is 2.
If n=12 then the value of the average distance sum connectivity index, J, is 28.
If n=13 then the value of the average distance sum connectivity index, J, is 22.
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CROSSREFS
| Cf. A121223.
Sequence in context: A094347 A024577 A121222 * A193618 A178955 A012000
Adjacent sequences: A125064 A125065 A125066 * A125068 A125069 A125070
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KEYWORD
| nonn
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AUTHOR
| Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Jan 09 2007
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