A006409 - OEIS

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A006409

Number of rooted nonseparable maps on the torus.
(Formerly M4742)

10, 190, 1568, 8344, 33580, 111100, 317680, 811096 (list; graph; refs; listen; history; internal format)

	OFFSET	`2,1`
	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: A171513 A179521 A121973 * A173813 A056174 A033714` `Adjacent sequences: A006406 A006407 A006408 * A006410 A006411 A006412`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 16 21:51 EST 2012. Contains 205978 sequences.