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A120979
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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, 26, 22, 249, 250, 2115, 2080, 16211, 17269, 126026, 141282
(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 3 on page 1868.
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EXAMPLE
| If p=19 then the parameter H_D is 17269 which is the tenth term in the sequence. See the paper by Elena V. Konstantinova and Maxim V. Vidyuk for the definition of H_D.
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CROSSREFS
| Sequence in context: A032336 A032084 A195967 * A032000 A094347 A024577
Adjacent sequences: A120976 A120977 A120978 * A120980 A120981 A120982
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KEYWORD
| nonn,uned
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AUTHOR
| Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Aug 19 2006
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