id:A135341 - OEIS Search Results

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Number of unlabeled toroidal cores having n vertices.

+0
1

1, 0, 0, 2, 1, 1, 0, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 2, 2, 2, 2, 3, 3, 4, 2, 4, 4, 5, 4, 5, 6, 9, 6, 8, 8, 12, 11, 12, 12, 18, 18, 21, 18, 26, 28, 33, 32, 40, 44, 57, 53, 65, 70, 89, 93, 106, 115, 147, 158, 184 (list; graph; listen)

	OFFSET	`5,4`
	REFERENCES	`Andrei Gagarin, Gilbert Labelle and Pierre Leroux, Counting unlabeled toroidal graphs with no K_{3,3}-subdivisions, arXiv:math/0509004.`
	CROSSREFS	`Sequence in context: A085737 A005090 A073490 this_sequence A033665 A104234 A037870` `Adjacent sequences: A135338 A135339 A135340 this_sequence A135342 A135343 A135344`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Dec 07 2007`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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