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A128236
Number of n-node (unlabeled) graphs with girth 3.
10
1, 4, 20, 118, 937, 11936, 272771, 11992996, 1018892793, 165089910412, 50502010570950, 29054155189364119, 31426485955571756316, 64001015703946097640927, 245935864153501211843554826
OFFSET
3,2
CROSSREFS
a(n) = A000088(n) - A006785(n).
Sequence in context: A370530 A127088 A258666 * A091046 A101055 A208232
KEYWORD
nonn
AUTHOR
Keith Briggs, May 05 2007
EXTENSIONS
Corrected and extended by Martin Fuller, May 01 2015
STATUS
approved