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A145270 Number of simple connected nonplanar graphs on n nodes. +0
2
0, 0, 0, 0, 0, 1, 13, 207, 5143, 189195, 10663766, 989251266 (list; graph; listen)
OFFSET

0,7

LINKS

Eric Weisstein's World of Mathematics, Nonplanar Graph

FORMULA

a(n) = A001349(n) - A003094(n)

CROSSREFS

Cf. A145269.

Sequence in context: A057807 A057804 A059355 this_sequence A132542 A069989 A140517

Adjacent sequences: A145267 A145268 A145269 this_sequence A145271 A145272 A145273

KEYWORD

nonn,more

AUTHOR

E. W. Weisstein (eric(AT)weisstein.com), Oct 05, 2008

EXTENSIONS

Edited by Max Alekseyev (maxale(AT)gmail.com), Sep 18 2009

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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