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A345322
Number of unlabeled 2-connected simple graphs with maximum degree at most 3.
0
1, 3, 4, 10, 18, 49, 115, 349, 1011, 3421, 11679, 43418, 165993, 666854, 2756486, 11780245, 51643246, 232275898, 1068435908, 5022269988, 24086917749
OFFSET
3,2
COMMENTS
Since the only 2-connected graphs with maximum degree less than 3 are the cycles, subtract one for unlabeled 2-connected simple graphs with maximum degree exactly 3.
CROSSREFS
Sequence in context: A139797 A306334 A036649 * A255539 A326832 A357812
KEYWORD
nonn,more
AUTHOR
Brendan McKay, Jun 13 2021
STATUS
approved