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A255987 Decimal expansion of sum_{m,n >= 1} (-1)^(m + n)*log(m)*log(n)/(m*n*(m + n)). 0
0, 0, 8, 4, 6, 5, 4, 5, 9, 1, 8, 3, 2, 4, 3, 5, 6, 6, 0, 0, 0, 2, 2, 0, 4, 6, 5, 4, 8, 3, 6, 2, 2, 8, 8, 0, 7, 0, 9, 8, 2, 5, 8, 8, 3, 4, 8, 7, 6, 9, 5, 0, 5, 1, 0, 2, 9, 5, 4, 2, 7, 3, 3, 3, 1, 8, 8, 2, 5, 6, 5, 3, 1, 9, 8, 6, 3, 1, 3, 2, 9, 1, 5, 3, 2, 4, 3, 7, 2, 9, 4, 9, 3, 0, 0, 0, 2, 0, 2, 1, 2, 9, 5, 4, 4, 9 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
David H. Bailey and Jonathan M. Borwein, Computation and structure of character polylogarithms.
EXAMPLE
0.008465459183243566000220465483622880709825883487695051...
MATHEMATICA
digits = 104; s = NSum[(-1)^(m + n)*Log[m]*Log[n]/(m*n*(m + n)), {m, 1, Infinity}, {n, 1, Infinity}, WorkingPrecision -> digits + 10, Method -> "AlternatingSigns"]; Join[{0, 0}, RealDigits[s, 10, digits] // First]
CROSSREFS
Sequence in context: A198500 A092727 A020842 * A266556 A199434 A253073
KEYWORD
nonn,cons
AUTHOR
STATUS
approved

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Last modified May 30 03:21 EDT 2024. Contains 372957 sequences. (Running on oeis4.)