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A328976 Number of irreducible graphs with n edges. 0
1, 1, 1, 3, 3, 8, 17, 41 (list; graph; refs; listen; history; text; internal format)
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

Table of n, a(n) for n=3..10.

Stavros Garoufalidis and Thao Vuong, Alternating knots, planar graphs and q-series, arXiv:1304.1071 [math.GT], 2013. See (28).

CROSSREFS

Sequence in context: A296106 A329094 A327327 * A059197 A049974 A049972

Adjacent sequences:  A328973 A328974 A328975 * A328977 A328978 A328979

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Nov 03 2019

STATUS

approved

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Last modified December 3 20:56 EST 2020. Contains 338920 sequences. (Running on oeis4.)