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A128238 Number of n-node (unlabeled) graphs with girth 5. 3
0, 0, 1, 2, 8, 26, 101, 396, 1744, 8531, 47803, 308086, 2300756, 19909540, 199365557 (list; graph; refs; listen; history; text; internal format)
OFFSET
3,4
LINKS
PROG
(nauty) geng -tfq $n | countg -qg5 --ng # Martin Fuller, May 03 2015
CROSSREFS
Sequence in context: A357221 A281345 A348240 * A110156 A295934 A187151
KEYWORD
nonn,more
AUTHOR
Keith Briggs, May 05 2007
EXTENSIONS
Corrected and extended by Martin Fuller, May 01 2015
STATUS
approved

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Last modified June 12 06:07 EDT 2024. Contains 373322 sequences. (Running on oeis4.)