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A079040
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Fractional part of 1/(1-tanh(n)) decreases monotonically to zero.
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0
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1, 9, 23, 51, 79, 253, 270, 320, 366, 2460, 3844, 14207, 46819, 68493
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OFFSET
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0,2
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LINKS
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MATHEMATICA
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$MaxExtraPrecision = Infinity; t = 1; Do[s = FractionalPart[1/(1 - Tanh[n])]; If[s < t, Print[n]; t = s; ], {n, 1, 5000}]; (* Vaclav Kotesovec, Apr 05 2020 *)
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PROG
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(PARI) lista(nn) = {my(b=8, r=1); print1(1); for(n=1, nn, until(frac(1/(1-tanh(b)))<r, b++; default(realprecision, 2*b)); print1(", ", b); r=frac(1/(1-tanh(b)))); } \\ Modified by Jinyuan Wang, Apr 04 2020
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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