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A121222
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Number of degeneracies on the sets of N ordinary trees with p vertices.
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0
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2, 2, 28, 22, 261, 258, 2196, 2164, 17255, 18175, 133071, 147986
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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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 7 on page 1868.
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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.
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CROSSREFS
| Sequence in context: A032000 A094347 A024577 * A125067 A193618 A178955
Adjacent sequences: A121219 A121220 A121221 * A121223 A121224 A121225
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KEYWORD
| nonn,uned
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AUTHOR
| Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Aug 20 2006
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