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A020821
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Decimal expansion of 1/8.
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8
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1, 2, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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OFFSET
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0,2
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COMMENTS
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Also, decimal expansion of Integral_{x=0..oo} x^2/cosh(Pi*x) dx. - Bruno Berselli, Mar 20 2013
Also, decimal expansion of Sum_(i>=1} 1/9^i. - Bruno Berselli, Jan 03 2014
For any triangle ABC, sin(A/2) * sin(B/2) * sin(C/2) <= 1/8, equality is obtained only when the triangle is equilateral (see the Kiran S. Kedlaya link). - Bernard Schott, Sep 16 2022
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LINKS
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Kiran S. Kedlaya, A < B, (1999), Problem 6.3, p. 6.
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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