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A013923 Number of labeled connected graphs with n vertices and 1 cutpoint. 0
3, 16, 250, 8496, 540568, 61672192, 12608406288, 4697459302400, 3256012245850496, 4276437400678311936 (list; graph; refs; listen; history; internal format)
OFFSET

3,1

REFERENCES

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

CROSSREFS

Sequence in context: A113597 A000273 A071897 * A053466 A005031 A054939

Adjacent sequences:  A013920 A013921 A013922 * A013924 A013925 A013926

KEYWORD

nonn,changed

AUTHOR

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

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Last modified February 14 13:08 EST 2012. Contains 205623 sequences.