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A126133 Number of edge-rooted unlabeled graphs with n edges. 0
1, 2, 7, 21, 66, 210, 699, 2387, 8492 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

REFERENCES

F. Harary and E. M. Palmer, Graphical Enumeration, Academic Press, NY, 1973.

CROSSREFS

Cf. A000664.

Sequence in context: A027990 A037520 A052911 * A186240 A127540 A060900

Adjacent sequences:  A126130 A126131 A126132 * A126134 A126135 A126136

KEYWORD

more,nonn

AUTHOR

Vladeta Jovovic (vladeta(AT)eunet.rs), Mar 07 2007

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Last modified February 15 17:46 EST 2012. Contains 205835 sequences.