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A007985 Co-growth function of a certain group. +0
1
2, 2, 6, 22, 58, 146, 414, 1206, 3410, 9634, 27670, 79926 (list; graph; listen)
OFFSET

1,1

REFERENCES

Stephen P Humphries, "Cogrowth groups and the Dedekind-Frobenius group determinant", Mathematical Proceeding of the Cambridge Philosophical Society volume 121 Part 2 pages 193-217 (1997).

CROSSREFS

Sequence in context: A138800 A103179 A004077 this_sequence A097090 A085403 A112478

Adjacent sequences: A007982 A007983 A007984 this_sequence A007986 A007987 A007988

KEYWORD

nonn

AUTHOR

Stephen P Humphries (steve(AT)math.byu.edu)

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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