A006441 - OEIS

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A006441

Nonseparable toroidal tree-rooted maps.
(Formerly M4754)

10, 595, 11010, 111650, 773640, 4104225, 17838730, 66390610, 218140650 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	REFERENCES	`N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).` `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: A014382 A035308 A185277 * A042751 A159622 A115692` `Adjacent sequences: A006438 A006439 A006440 * A006442 A006443 A006444`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 14 14:47 EST 2012. Contains 205623 sequences.