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A006679 Number of planted binary phylogenetic trees with n labels.
(Formerly M1978)
+0
1
0, 1, 2, 10, 83, 946, 13772, 244315, 5113208, 123342166, 3369568817, 102831001120, 3467225430308, 128006254663561, 5135734326127862, 222498607683528550 (list; graph; listen)
OFFSET

0,3

REFERENCES

Foulds, L. R.; Robinson, R. W. Enumeration of binary phylogenetic trees. Combinatorial mathematics, VIII (Geelong, 1980), pp. 187-202, Lecture Notes in Math., 884, Springer, Berlin-New York, 1981. Math. Rev. 83a:05071.

LINKS

Index entries for sequences related to rooted trees

Index entries for sequences related to trees

CROSSREFS

Adjacent sequences: A006676 A006677 A006678 this_sequence A006680 A006681 A006682

Sequence in context: A089469 A111265 A003093 this_sequence A050390 A101878 A121194

KEYWORD

nonn

AUTHOR

njas, Simon Plouffe (plouffe(AT)math.uqam.ca)

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Last modified October 12 15:26 EDT 2008. Contains 144830 sequences.


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