Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A007152
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
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

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

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

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified November 25 08:46 EST 2009. Contains 167481 sequences.


AT&T Labs Research