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A107311
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Decimal expansion of the solution to zeta(x) = 2.
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21
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1, 7, 2, 8, 6, 4, 7, 2, 3, 8, 9, 9, 8, 1, 8, 3, 6, 1, 8, 1, 3, 5, 1, 0, 3, 0, 1, 0, 2, 9, 7, 6, 9, 1, 4, 6, 4, 2, 3, 4, 1, 0, 9, 8, 4, 9, 3, 3, 5, 0, 3, 5, 7, 3, 2, 3, 2, 1, 2, 8, 5, 9, 0, 8, 4, 2, 3, 1, 7, 8, 5, 9, 6, 5, 3, 5, 7, 1, 0, 0, 8, 6, 7, 7, 2, 7, 4, 6, 0, 8, 1, 0, 8, 8, 9, 8, 2, 6, 4, 4, 0, 1
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OFFSET
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1,2
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REFERENCES
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Steven R. Finch, Mathematical Constants, Cambridge University Press, 2003, Section 5.5 Kalmar's Composition Constant, p. 293.
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LINKS
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EXAMPLE
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zeta(1.72864723899818361813510301...) = 2.
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MATHEMATICA
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x /. FindRoot[ Zeta[x] == 2, {x, 2}, WorkingPrecision -> 102] // RealDigits // First (* Jean-François Alcover, Mar 19 2013 *)
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PROG
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(PARI) solve(X=1.5, 2, zeta(X)-2)
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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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