id:A006422 - OEIS Search Results

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Number of rooted toroidal maps.
(Formerly M3684)

+0
1

4, 47, 240, 831, 2282, 5362, 11256, 21690, 39072, 66649 (list; graph; listen)

	OFFSET	`1,1`
	REFERENCES	`Walsh, T. R. S.; Lehman, A. B.; Counting rooted maps by genus. III: Nonseparable maps. J. Combinatorial Theory Ser. B 18 (1975), 222-259.`
	CROSSREFS	`Sequence in context: A135078 A107766 A065777 this_sequence A006438 A052105 A010293` `Adjacent sequences: A006419 A006420 A006421 this_sequence A006423 A006424 A006425`
	KEYWORD	`nonn`
	AUTHOR	`njas`

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Last modified September 5 01:44 EDT 2008. Contains 143476 sequences.