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A013925 Number of labeled connected graphs with n nodes and 3 cutpoints. 0
60, 1920, 75600, 4663680, 469336896, 79132032000, 23121510192000, 12082931084928000, 11564306171310537216, 20625639730671895535616, 69501783433272242637312000, 447403458171641201324598067200, 5550030610876067133522251137105920 (list; graph; refs; listen; history; text; internal format)
OFFSET

5,1

COMMENTS

Selkow paper has typographical error a(9) = 469336898. - Sean A. Irvine, Aug 29 2018

LINKS

Table of n, a(n) for n=5..17.

S. Selkow, The enumeration of labeled graphs by number of cutpoints, Discr. Math. 185 (1998), 183-191.

CROSSREFS

Sequence in context: A214946 A058836 A166792 * A083367 A173123 A004353

Adjacent sequences:  A013922 A013923 A013924 * A013926 A013927 A013928

KEYWORD

nonn

AUTHOR

Stanley Selkow (sms(AT)owl.WPI.EDU)

EXTENSIONS

a(9) corrected and more terms from Sean A. Irvine, Aug 29 2018

STATUS

approved

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Last modified August 6 19:52 EDT 2020. Contains 336256 sequences. (Running on oeis4.)