|
Search: id:A007022
|
|
|
| A007022 |
|
Number of 4-regular polyhedra with n nodes.
(Formerly M2290)
|
|
+0
10
|
|
| 1, 0, 1, 1, 3, 3, 11, 18, 58, 139, 451, 1326, 4461, 14554, 49957, 171159, 598102, 2098675, 7437910, 26490072, 94944685, 341867921, 1236864842, 4493270976, 16387852863, 59985464681, 220320405895, 811796327750, 3000183106119
(list; graph; listen)
|
|
|
OFFSET
|
8,5
|
|
|
REFERENCES
|
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
Gunnar Brinkmann, Sam Greenberg, Catherine Greenhill, Brendan D. McKay, Robin Thomas and Paul Wollan, Generation of simple quadrangulations of the sphere, Discr. Math., 305 (2005), 33-54.
M. B. Dillencourt, Polyhedra of small orders and their Hamiltonian properties. Tech. Rep. 92-91, Info. and Comp. Sci. Dept., Univ. Calif. Irvine, 1992.
|
|
LINKS
|
G. Brinkmann et al., Generation of simple quadrangulations of the sphere
Gunnar Brinkmann and Brendan McKay, plantri and fullgen programs for generation of certain types of planar graph.
|
|
CROSSREFS
|
Cf. A113204.
Sequence in context: A045494 A027416 A163932 this_sequence A011950 A124265 A163938
Adjacent sequences: A007019 A007020 A007021 this_sequence A007023 A007024 A007025
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
N. J. A. Sloane (njas(AT)research.att.com).
|
|
EXTENSIONS
|
More terms from Hugo Pfoertner (hugo(AT)pfoertner.org), Mar 22 2003
a(31) corrected by Brendan McKay (bdm(AT)cs.au.edu.au), Jun 22 2006
|
|
|
Search completed in 0.002 seconds
|
