|
Search: id:A111564
|
|
|
| A111564 |
|
Number of outerplanar graphs on n unlabeled nodes. |
|
+0
2
|
|
| 1, 2, 4, 10, 25, 80, 277, 1150, 5291, 26918, 145744, 828856, 4872771, 29395784, 180857382, 1130700488, 7163245811, 45895629266, 296937363511, 1937625709854, 12739784808937, 84331837321404, 561647630439975, 3761221057579892
(list; graph; listen)
|
|
|
OFFSET
|
1,2
|
|
|
LINKS
|
S. Vigerske, Asymptotic enumeration of unlabeled outerplanar graphs, Diploma thesis, Humboldt University Berlin, 2005
M. Bordirsky, E. Fusy, M. Kang and S. Vigerske, Enumeration of Unlabeled Outerplanar Graphs, 2005
S. Vigerske, Homepage
|
|
FORMULA
|
Generating function and cycle index sum known, see Vigerske, or Bodirsky, Fusy, Kang and Vigerske.
|
|
CROSSREFS
|
Cf. A001004, A097999, A097998, A098000.
Sequence in context: A123422 A123413 A085633 this_sequence A007021 A100605 A154322
Adjacent sequences: A111561 A111562 A111563 this_sequence A111565 A111566 A111567
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Stefan Vigerske Nov 17 2005
|
|
|
Search completed in 0.002 seconds
|
