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A121221 Number of degeneracies on the sets of N ordinary trees with p vertices. 0
2, 2, 4, 15, 35, 137, 306, 1056, 2510, 8094, 21568, 66310, 183338, 545993, 1538831 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
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 5 on page 1868.
LINKS
EXAMPLE
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.
CROSSREFS
Sequence in context: A261531 A153968 A153965 * A122598 A279069 A257609
KEYWORD
nonn,uned
AUTHOR
Parthasarathy Nambi, Aug 20 2006
STATUS
approved

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Last modified July 22 07:42 EDT 2024. Contains 374481 sequences. (Running on oeis4.)