A034257 - OEIS

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A034257

Maximal discrete supergroups of Gamma_0(n).

1, 3, 3, 7, 3, 9, 3, 11, 9, 9 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	REFERENCES	`J. H. Conway, pp. 327-343 of Groups, Difference Sets and the Monster, de Gruyter, 1996.`
	CROSSREFS	`Sequence in context: A183061 A172097 A030316 * A145501 A092693 A134661` `Adjacent sequences: A034254 A034255 A034256 * A034258 A034259 A034260`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 17 23:08 EST 2012. Contains 206085 sequences.