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A034257 Maximal discrete supergroups of Gamma_0(n). +0
1
1, 3, 3, 7, 3, 9, 3, 11, 9, 9 (list; graph; listen)
OFFSET

1,2

REFERENCES

J. H. Conway, pp. 327-343 of Groups, Difference Sets and the Monster, de Gruyter, 1996.

CROSSREFS

Sequence in context: A036840 A159913 A030316 this_sequence A145501 A092693 A134661

Adjacent sequences: A034254 A034255 A034256 this_sequence A034258 A034259 A034260

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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