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A145269
Number of simple nonplanar graphs on n nodes.
2
0, 0, 0, 0, 0, 1, 14, 222, 5380, 194815, 10864252, 1000316856, 164757860141
OFFSET
0,7
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
FORMULA
a(n) = A000088(n) - A005470(n).
CROSSREFS
Cf. A145270.
Sequence in context: A225315 A292041 A319114 * A221582 A320762 A027774
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Oct 05 2008
EXTENSIONS
Edited by Max Alekseyev, Sep 18 2009
a(12) added by Max Alekseyev, Aug 17 2015
STATUS
approved