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 A303270 Decimal expansion of Integral_{x=0..1} 1/log(|log(x)|) dx (negated). 1
 1, 5, 4, 4, 7, 9, 6, 4, 1, 3, 2, 0, 0, 4, 2, 6, 8, 5, 3, 4, 5, 9 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS In a certain Japanese mathematics dictionary, the value of Integral_{0..1} 1/(log|log x|) dx was given for many years as 0. LINKS Robert G. Wilson v, Graph of 1/(log|log x|) from 0..1. FORMULA Equals Integral_{x>=0} exp(-x)/log(x) dx (negated). EXAMPLE 0.15447964132... MATHEMATICA NIntegrate[-1/Log[-Log[x]], {x, 0, 1}, AccuracyGoal -> 2^8, WorkingPrecision -> 2^16, PrecisionGoal -> 2^7, MaxRecursion -> 2^15, MaxPoints -> 2^20, Exclusions -> {1/E}] (* Robert G. Wilson v, Feb 20 2019 *) CROSSREFS Cf. A001620. Sequence in context: A134209 A232007 A019842 * A244046 A255332 A071419 Adjacent sequences:  A303267 A303268 A303269 * A303271 A303272 A303273 KEYWORD nonn,cons,more AUTHOR Seiichi Manyama, Apr 20 2018 EXTENSIONS Corrected and extended by Robert G. Wilson v, Feb 20 2019 STATUS approved

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Last modified August 20 18:56 EDT 2019. Contains 326154 sequences. (Running on oeis4.)