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A167160 Number of n-vertex 8-hedrites. 7
0, 0, 0, 0, 1, 0, 1, 1, 2, 1, 5, 2, 8, 5, 12, 8, 25, 13, 30, 23, 51, 33, 76, 51, 109, 78, 144, 106, 218, 150, 274, 212, 382, 279, 499, 366, 650, 493, 815, 623, 1083, 800, 1305, 1020, 1653, 1261, 2045, 1554, 2505, 1946, 3008, 2322, 3713, 2829, 4354, 3418, 5233, 4063 (list; graph; refs; listen; history; text; internal format)
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

Table of n, a(n) for n=2..59.

Mathieu Dutour Sikiric, Michel Deza, 4-regular and self-dual analogs of fullerenes, arXiv:0910.5323 [math.GT], 2009.

CROSSREFS

Cf. A167156, A167157, A167158, A167159.

Sequence in context: A076937 A014682 A111361 * A257971 A205377 A082010

Adjacent sequences:  A167157 A167158 A167159 * A167161 A167162 A167163

KEYWORD

nonn

AUTHOR

Jonathan Vos Post, Oct 29 2009

EXTENSIONS

New name from Andrey Zabolotskiy, Jul 05 2017

STATUS

approved

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Last modified April 24 22:26 EDT 2019. Contains 322446 sequences. (Running on oeis4.)