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A007986 Co-growth function of a certain group. 0
2, 12, 242, 2772, 29282, 320892, 3543122, 38987652 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

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

LINKS

Table of n, a(n) for n=1..8.

CROSSREFS

Sequence in context: A132987 A087046 A111403 * A013503 A231074 A132481

Adjacent sequences:  A007983 A007984 A007985 * A007987 A007988 A007989

KEYWORD

nonn

AUTHOR

Stephen P. Humphries

STATUS

approved

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Last modified December 2 12:56 EST 2016. Contains 278678 sequences.