OFFSET
4,3
COMMENTS
By Euler's formula, all such graphs must be 3-regular.
REFERENCES
M. Kirchweger, M. Scheucher, and S. Szeider, SAT-Based Generation of Planar Graphs, in preparation.
LINKS
M. Meringer, Regular Graphs
CROSSREFS
KEYWORD
nonn,more,hard
AUTHOR
Danny Rorabaugh, Feb 27 2015
EXTENSIONS
a(14) from Manfred Scheucher, Mar 09 2023
a(15) from Manfred Scheucher, Mar 19 2023
STATUS
approved