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A111758 Number of bipartite connected outerplanar graphs on n unlabeled nodes. 0
1, 1, 1, 3, 4, 12, 24, 74, 193, 635, 1990, 6933, 24144, 88203, 326053, 1234735, 4732762, 18403211, 72282202, 286705378 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

Table of n, a(n) for n=1..20.

M. Bordirsky, É. Fusy, M. Kang and S. Vigerske, Enumeration of Unlabeled Outerplanar Graphs, 2005

S. Vigerske, Asymptotic enumeration of unlabeled outerplanar graphs, Diploma thesis, Humboldt University Berlin, 2005

S. Vigerske, Homepage

CROSSREFS

Cf. A111563.

Sequence in context: A084921 A070765 A000577 * A264484 A000942 A255436

Adjacent sequences:  A111755 A111756 A111757 * A111759 A111760 A111761

KEYWORD

nonn

AUTHOR

Stefan Vigerske, Nov 21 2005

STATUS

approved

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Last modified November 16 22:05 EST 2019. Contains 329208 sequences. (Running on oeis4.)