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 A274989 Decimal expansion of log(sqrt(10)). 0
 1, 1, 5, 1, 2, 9, 2, 5, 4, 6, 4, 9, 7, 0, 2, 2, 8, 4, 2, 0, 0, 8, 9, 9, 5, 7, 2, 7, 3, 4, 2, 1, 8, 2, 1, 0, 3, 8, 0, 0, 5, 5, 0, 7, 4, 4, 3, 1, 4, 3, 8, 6, 4, 8, 8, 0, 1, 6, 6, 6, 3, 9, 5, 0, 4, 8, 3, 7, 8, 6, 3, 0, 4, 8, 3, 8, 6, 7, 6, 2, 4, 0, 1, 1, 7, 9, 9, 8, 6, 0, 2, 5, 4, 4, 7, 9, 9, 1, 4, 9, 1, 7, 0, 9, 8 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS This is the ratio between the bel and the neper, i.e., 1 bel = log(sqrt(10)) nepers. LINKS J. Valdes, The unit one, the neper, the bel and the future of the SI, Metrologia, Volume 39, Number 6 (2002), 543-550. Wikipedia, Decibel FORMULA Equals A002392/2. - Michel Marcus, Nov 19 2016 EXAMPLE 1.1512925464970228420089957273... MAPLE evalf(log(sqrt(10)), 120);  # Alois P. Heinz, Apr 03 2020 MATHEMATICA RealDigits[Log[Sqrt[10]], 10, 90][[1]] (* Georg Fischer, Apr 03 2020 *) PROG (PARI) default(realprecision, 100) digits(floor(10^100*log(sqrt(10)))) \\ Michel Marcus, Apr 03 2020 CROSSREFS Cf. A002392. Sequence in context: A073324 A021665 A226613 * A328199 A289690 A088781 Adjacent sequences:  A274986 A274987 A274988 * A274990 A274991 A274992 KEYWORD nonn,cons AUTHOR Felix FrÃ¶hlich, Nov 11 2016 EXTENSIONS a(29) ff. corrected and example truncated by Georg Fischer and Michel Marcus, Apr 03 2020 Offset corrected by Alois P. Heinz, Apr 03 2020 STATUS approved

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Last modified October 27 01:02 EDT 2020. Contains 338035 sequences. (Running on oeis4.)