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A120979 Number of degeneracies on the sets of N ordinary trees with p vertices. +0
1
2, 2, 26, 22, 249, 250, 2115, 2080, 16211, 17269, 126026, 141282 (list; graph; listen)
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 3 on page 1868.

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.

CROSSREFS

Sequence in context: A127261 A032336 A032084 this_sequence A032000 A094347 A024577

Adjacent sequences: A120976 A120977 A120978 this_sequence A120980 A120981 A120982

KEYWORD

nonn,uned

AUTHOR

Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Aug 19 2006

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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