OFFSET
2,9
COMMENTS
A k-hedrite is a 4-regular planar graph whose faces have sizes 2, 3 and 4 only and the total number of faces of sizes 2 and 3 is k.
LINKS
Andrey Zabolotskiy, Table of n, a(n) for n = 2..70
Mathieu Dutour Sikiric and Michel Deza, 4-regular and self-dual analogs of fullerenes, arXiv:0910.5323 [math.GT], 2009.
CROSSREFS
KEYWORD
nonn
AUTHOR
Jonathan Vos Post, Oct 29 2009
EXTENSIONS
New name from Andrey Zabolotskiy, Jul 05 2017
STATUS
approved