id:A097999 - OEIS Search Results

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Number of 2-connected outerplanar graphs on n labeled nodes.

+0
3

1, 9, 132, 2700, 70920, 2275560, 86264640, 3772681920, 186972105600, 10355595465600, 633892275878400, 42495895579737600, 3096545573029708800, 243680880958010496000, 20596410256606119936000 (list; graph; listen)

	OFFSET	`3,2`
	LINKS	`M. Bodirsky and M. Kang, The asymptotic number of outerplanar graphs.` `S. R. Finch, Planar graph growth constants.`
	FORMULA	`Recurrence known, see Bodirsky and Kang.` `E.g.f.: (-3+2x-3x^2)/16+(3-x)sqrt(1-6x+x^2)/16+ln((3-x-sqrt(1-6*x+x^2))/2)/2. - Vladeta Jovovic (vladeta(AT)eunet.rs), Jun 26 2007`
	CROSSREFS	`Sequence in context: A060944 A112123 A167253 this_sequence A089547 A110273 A082760` `Adjacent sequences: A097996 A097997 A097998 this_sequence A098000 A098001 A098002`
	KEYWORD	`nonn`
	AUTHOR	`S. R. Finch (Steven.Finch(AT)inria.fr), Sep 08 2004`

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

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