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A043304 Denominator of B(4n+2)/(8n+4) where B(m) are the Bernoulli numbers. +0
2
504, 264, 24, 28728, 552, 24, 171864, 24, 24, 151704, 1128, 264, 86184, 1416, 24, 776664, 18744, 24, 39816, 1992, 24, 9796248, 24, 24, 51912, 2568, 66792, 504, 24, 24, 1098185256, 34584, 24, 3292632, 24, 24, 25951464, 552, 24, 42143976, 4008 (list; graph; listen)
OFFSET

1,1

REFERENCES

Bruce Berndt, Ramanujan's Notebooks Part II, Springer-Verlag; see Infinite series, p. 262.

FORMULA

B(4n+2)/(8n+4)=sum(k=1, infinity, k^(4n+1)/(exp(2Pi*k)-1))

CROSSREFS

Cf. A043303.

Sequence in context: A067949 A133525 A066525 this_sequence A045212 A060666 A161005

Adjacent sequences: A043301 A043302 A043303 this_sequence A043305 A043306 A043307

KEYWORD

easy,frac,nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 04 2002

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.


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