id:A006408 - OEIS Search Results

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Number of rooted nonseparable maps on the torus.
(Formerly M3672)

+0
1

4, 39, 190, 651, 1792, 4242, 8988, 17490, 31812 (list; graph; listen)

	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: A106127 A093850 A024212 this_sequence A112460 A059945 A093851` `Adjacent sequences: A006405 A006406 A006407 this_sequence A006409 A006410 A006411`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.