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A276760
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Decimal expansion of the imaginary part of the fixed point of -exp(z) in C congruent with the branch K=1 of log(z)+2*Pi*K*i.
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6
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4, 3, 7, 5, 1, 8, 5, 1, 5, 3, 0, 6, 1, 8, 9, 8, 3, 8, 5, 4, 7, 0, 9, 0, 6, 5, 6, 4, 8, 5, 2, 5, 8, 4, 2, 9, 1, 6, 2, 3, 8, 2, 3, 1, 1, 4, 6, 7, 7, 0, 1, 1, 8, 6, 4, 9, 6, 1, 0, 4, 4, 4, 9, 1, 8, 0, 3, 7, 2, 1, 5, 6, 3, 0, 8, 9, 3, 4, 7, 2, 8, 1, 7, 5, 9, 8, 8, 1, 8, 2, 3, 9, 9, 0, 9, 5, 9, 5, 1, 4, 1, 7, 9, 7, 8
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OFFSET
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1,1
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COMMENTS
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Imaginary part of the complex constant z_2 whose real part is in A276759 (see the latter entry for more information).
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LINKS
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FORMULA
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Let z_2 = A276759+i*A276760. Then z_2 = -exp(z_2) = log(-z_2)+2*Pi*i = -W_-1(1).
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EXAMPLE
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4.375185153061898385470906564852584291623823114677011864961044...
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MATHEMATICA
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PROG
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(PARI) default(realprecision, 2050); eps=5.0*10^(default(realprecision))
M(z, K)=log(-z)+2*Pi*K*I; \\ the convergent mapping (any K)
K=1; z=1+I; zlast=z;
while(1, z=M(z, K); if(abs(z-zlast)<eps, break); zlast=z);
imag(z)
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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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