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A145269
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Number of simple nonplanar graphs on n nodes.
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1
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0, 0, 0, 0, 0, 1, 14, 222, 5380, 194815, 10864252, 1000316856
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,7
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LINKS
| Slavik Jablan, Ljiljana Radovic, Radmila Sazdanovic (2011). Nonplanar graphs derived from Gauss codes of virtual knots and links, J. Math. Chem. 49(10), 2250-2267, DOI:10.1007/s10910-011-9884-6
Eric Weisstein's World of Mathematics, Nonplanar Graph
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FORMULA
| a(n) = A000088(n) - A005470(n)
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CROSSREFS
| Cf. A145270.
Sequence in context: A202976 A121972 A113894 * A027774 A099272 A120048
Adjacent sequences: A145266 A145267 A145268 * A145270 A145271 A145272
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KEYWORD
| nonn,more
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AUTHOR
| E. W. Weisstein (eric(AT)weisstein.com), Oct 05, 2008
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EXTENSIONS
| Edited by Max Alekseyev (maxale(AT)gmail.com), Sep 18 2009
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