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Search: id:A121222
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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
1
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| 2, 2, 28, 22, 261, 258, 2196, 2164, 17255, 18175, 133071, 147986
(list; graph; listen)
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OFFSET
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1,1
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REFERENCES
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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
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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
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Sequence in context: A032000 A094347 A024577 this_sequence A125067 A012000 A116091
Adjacent sequences: A121219 A121220 A121221 this_sequence A121223 A121224 A121225
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KEYWORD
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nonn,uned
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AUTHOR
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Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Aug 20 2006
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