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A145270
Number of simple connected nonplanar graphs on n nodes.
2
0, 0, 0, 0, 0, 1, 13, 207, 5143, 189195, 10663766, 989251266, 163746458178
OFFSET
0,7
LINKS
Eric Weisstein's World of Mathematics, Connected Graph
Eric Weisstein's World of Mathematics, Nonplanar Graph
Eric Weisstein's World of Mathematics, Simple Graph
FORMULA
a(n) = A001349(n) - A003094(n).
CROSSREFS
Cf. A145269.
Sequence in context: A206348 A240393 A319115 * A296671 A375176 A196328
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