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Search: id:A121221
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| A121221 |
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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, 4, 15, 35, 137, 306, 1056, 2510, 8094, 21568, 66310, 183338, 545993, 1538831
(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 5 on page 1868.
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EXAMPLE
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If p=16 then the parameter H_lambda is 8094 which is the tenth term in the sequence. See the paper by Elena V. Konstantinova and Maxim V. Vidyuk for the definition of H_lambda.
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CROSSREFS
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Sequence in context: A019072 A019073 A006205 this_sequence A122598 A087783 A106241
Adjacent sequences: A121218 A121219 A121220 this_sequence A121222 A121223 A121224
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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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