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A328976
Number of irreducible graphs with n edges.
0
1, 1, 1, 3, 3, 8, 17, 41
OFFSET
3,4
REFERENCES
Garoufalidis, Stavros, and Thao Vuong. "Alternating knots, planar graphs, and q-series." The Ramanujan Journal 36.3 (2015): 501-527. See (28).
LINKS
Stavros Garoufalidis and Thao Vuong, Alternating knots, planar graphs and q-series, arXiv:1304.1071 [math.GT], 2013. See (28).
CROSSREFS
Sequence in context: A329094 A327327 A370640 * A059197 A049974 A049972
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Nov 03 2019
STATUS
approved