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A014695 Poincare series (or Molien series) for mod 2 cohomology of Q_8. +0
8
1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1 (list; graph; listen)
OFFSET

0,2

REFERENCES

A. Adem, Recent developments in the cohomology of finite groups, Notices Amer. Math. Soc., 44 (1997),806-812.

LINKS

Eric Weisstein's World of Mathematics, Simple Graph

Index entries for Molien series

FORMULA

G.f.: (1+2*x+2*x^2+x^3)/(1-x^4);

CROSSREFS

Denominators for the sequence whose numerators are A064038.

Sequence in context: A073783 A130658 A134430 this_sequence A071017 A112049 A055230

Adjacent sequences: A014692 A014693 A014694 this_sequence A014696 A014697 A014698

KEYWORD

nonn

AUTHOR

njas

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.


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