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A330111
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Decimal expansion of the solution of 1/e^x + sech(x) = 1.
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3
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1, 0, 1, 8, 5, 9, 1, 8, 1, 9, 7, 7, 7, 9, 0, 6, 5, 9, 0, 3, 5, 4, 2, 2, 4, 6, 7, 3, 6, 8, 1, 1, 6, 4, 9, 1, 5, 9, 9, 4, 5, 2, 0, 6, 4, 0, 6, 9, 6, 1, 4, 3, 2, 4, 3, 6, 9, 9, 8, 4, 5, 8, 8, 0, 2, 5, 2, 4, 8, 7, 1, 8, 5, 6, 1, 4, 0, 4, 7, 0, 9, 8, 1, 3, 5, 7
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OFFSET
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1,4
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LINKS
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EXAMPLE
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x = 1.01859181977790659035422467368...
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MATHEMATICA
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r = x /. FindRoot[1/E^x + Sech[x] == 1, {x, 0, 2}, WorkingPrecision -> 200]
Plot[1/E^x + Sech[x] - 1, {x, -3, 4}]
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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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