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A007152 Evolutionary trees of magnitude n.
(Formerly M3628)
+0
2
1, 1, 4, 28, 301, 4466, 84974, 1974904, 54233540, 1718280152 (list; graph; listen)
OFFSET

1,3

REFERENCES

L. R. Foulds and R. W. Robinson, Counting certain classes of evolutionary trees with singleton labels, Congress. Num., 44 (1984), 65-88.

LINKS

Index entries for sequences related to trees

CROSSREFS

Cf. A007151.

Sequence in context: A078634 A091485 A112938 this_sequence A113371 A080636 A140425

Adjacent sequences: A007149 A007150 A007151 this_sequence A007153 A007154 A007155

KEYWORD

nonn,easy,more

AUTHOR

R. W. Robinson, rwr(AT)pollux.cs.uga.edu

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Last modified July 19 08:04 EDT 2008. Contains 142098 sequences.


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