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Search: id:A121223
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| A121223 |
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Number of degeneracies on the sets of N ordinary trees with p vertices. |
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+0
6
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| 2, 2, 2, 11, 25, 98, 214, 747, 1947, 6399, 16846, 55131, 150720, 462160, 1302117
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OFFSET
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1,1
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COMMENT
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See also equation 19 on page 1863 of the paper by Elena V. Konstantinova and Maxim V. Vidyuk.
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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 8 on page 1868.
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EXAMPLE
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If p=15 then the parameter H_lambda is 1947 which is the ninth 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: A089871 A068971 A019233 this_sequence A139518 A135322 A106541
Adjacent sequences: A121220 A121221 A121222 this_sequence A121224 A121225 A121226
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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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