A094637 - OEIS

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A094637

Number of unlabeled 6-gonal 2-trees with n 6-gons.

1, 1, 1, 4, 16, 103, 799, 7286, 71094, 729974, 7743818, 84307887, 937002302, 10595117272, 121568251909, 1412555701804, 16594126114458, 196829590326284, 2354703777373055, 28385225424840078, 344524656398655124 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	LINKS	`G. Labelle, C. Lamathe and P. Leroux, Labeled and unlabeled enumeration of k-gonal 2-trees`
	CROSSREFS	`Cf. A054581.` `Sequence in context: A065731 A074187 A111883 * A203716 A136793 A009630` `Adjacent sequences: A094634 A094635 A094636 * A094638 A094639 A094640`
	KEYWORD	`nonn`
	AUTHOR	`Vladeta Jovovic (vladeta(AT)eunet.rs), Jun 06 2004`

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Last modified February 17 21:13 EST 2012. Contains 206085 sequences.