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A086655
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(C(2p,p)-2)/(2p) where p runs through the primes.
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1
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1, 3, 25, 245, 32065, 400023, 68635477, 930138521, 178987624513, 518401146543811, 7506908923471953, 23596358977508462295, 5180299766448679532059, 77180849825857621779893
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OFFSET
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1,2
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LINKS
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FORMULA
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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Typo in definition corrected by Vladimir Shevelev, Sep 05 2010
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STATUS
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approved
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