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Search: id:A117972
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| A117972 |
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Numerator of Zeta'[ -2n]. |
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+0
2
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| -1, 3, -45, 315, -14175, 467775, -42567525, 638512875, -97692469875, 9280784638125, -2143861251406875, 147926426347074375, -48076088562799171875, 9086380738369043484375, -3952575621190533915703125
(list; graph; listen)
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OFFSET
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1,2
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LINKS
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Eric Weisstein's World of Mathematics, Riemann Zeta Function
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EXAMPLE
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-1/4, 3/4, -45/8, 315/4, -14175/8, 467775/8, -42567525/16, ...
-Zeta[3]/(4*Pi^2), (3*Zeta[5])/(4*Pi^4), (-45*Zeta[7])/(8*Pi^6), (315*Zeta[9])/(4*Pi^8), (-14175*Zeta[11])/(8*Pi^10), ...
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MATHEMATICA
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Numerator[(2*n)!/2^(2*n + 1)(-1)^n
Numerator[(2*n)!/2^(2*n + 1)(-1)^n]
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CROSSREFS
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Cf. A117973.
Adjacent sequences: A117969 A117970 A117971 this_sequence A117973 A117974 A117975
Sequence in context: A062346 A002682 A073595 this_sequence A061532 A060242 A141445
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KEYWORD
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sign,frac
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AUTHOR
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Eric Weisstein (eric(AT)weisstein.com), Apr 06, 2006
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