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A113205
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Same as A002088, but with orientation-reversing isomorphisms forbidden.
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0
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1, 0, 1, 1, 3, 2, 12, 16, 59, 133, 445, 1248, 4162, 13014, 43474, 143304, 484444, 1639388, 5617205, 19332596, 67048051, 233691112, 819121608, 2884443024, 10204104900, 36247138920, 129264732757, 462661038926, 1661637913984
(list; graph; refs; listen; history; internal format)
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OFFSET
| 6,5
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REFERENCES
| G. Brinkmann et al., Generation of simple quadrangulations of the sphere, Discr. Math., 305 (2005), 33-54.
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.
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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.
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CROSSREFS
| Cf. A113201, A078666, A007022, A002880, A113202-A113204.
Sequence in context: A152550 A114798 A167639 * A136657 A006774 A086551
Adjacent sequences: A113202 A113203 A113204 * A113206 A113207 A113208
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Jan 07 2006
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