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A328977 Number of planar 2-connected irreducible graphs with n vertices. 0
1, 2, 5, 19, 106, 897, 10160 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,2

REFERENCES

Garoufalidis, Stavros, and Thao Vuong. "Alternating knots, planar graphs, and q-series." The Ramanujan Journal 36.3 (2015): 501-527. See (29).

LINKS

Table of n, a(n) for n=3..9.

Stavros Garoufalidis and Thao Vuong, Alternating knots, planar graphs and q-series, arXiv:1304.1071 [math.GT], 2013. See (29).

CROSSREFS

Sequence in context: A009311 A211207 A107882 * A224691 A192445 A089126

Adjacent sequences:  A328974 A328975 A328976 * A328978 A328979 A328980

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Nov 03 2019

STATUS

approved

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Last modified October 26 11:29 EDT 2020. Contains 338027 sequences. (Running on oeis4.)