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A158600
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Denominators of x^(2n-1) in the series expansion of Steinhaus's approximate angle trisection.
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1
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3, 648, 31104, 11197440, 40633270272, 8126654054400, 367789143490560, 1265121095778828288000, 1943226003116280250368, 42473368353827268329472000, 1552949905905681518542454784000
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OFFSET
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1,1
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LINKS
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EXAMPLE
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x/3 + x^3/648 + x^5/31104 + (7*x^7)/11197440 + (443*x^9)/40633270272 + ...
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CROSSREFS
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KEYWORD
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nonn,frac
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AUTHOR
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STATUS
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approved
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