A145270 - OEIS

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A145270

Number of simple connected nonplanar graphs on n nodes.

0, 0, 0, 0, 0, 1, 13, 207, 5143, 189195, 10663766, 989251266 (list; graph; refs; listen; history; internal format)

	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: A194727 A059355 A206348 * A196328 A132542 A069989` `Adjacent sequences: A145267 A145268 A145269 * 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 February 13 22:36 EST 2012. Contains 205567 sequences.