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A374957
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Decimal expansion of the circumradius of a regular heptagon with unit side length.
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5
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1, 1, 5, 2, 3, 8, 2, 4, 3, 5, 4, 8, 1, 2, 4, 3, 2, 5, 2, 6, 2, 0, 5, 7, 5, 1, 1, 1, 7, 7, 3, 4, 2, 7, 5, 5, 6, 7, 2, 2, 2, 5, 0, 9, 4, 3, 8, 0, 3, 1, 6, 0, 5, 8, 1, 0, 3, 1, 5, 5, 3, 1, 4, 8, 2, 3, 3, 4, 2, 6, 6, 7, 1, 3, 8, 9, 2, 3, 9, 7, 9, 8, 1, 8, 9, 5, 5, 5, 7, 1
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OFFSET
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1,3
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LINKS
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FORMULA
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Equals 1/(2*sin(Pi/7)) = 1/A272487.
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EXAMPLE
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1.15238243548124325262057511177342755672225094380...
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MATHEMATICA
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First[RealDigits[Csc[Pi/7]/2, 10, 100]]
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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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