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 A220085 Decimal expansion of sin(log(2)). 2
 6, 3, 8, 9, 6, 1, 2, 7, 6, 3, 1, 3, 6, 3, 4, 8, 0, 1, 1, 5, 0, 0, 3, 2, 9, 1, 1, 4, 6, 4, 7, 0, 1, 7, 8, 4, 2, 5, 7, 2, 3, 0, 5, 3, 7, 8, 3, 0, 5, 7, 9, 7, 2, 9, 4, 9, 5, 5, 8, 6, 9, 5, 6, 6, 4, 6, 3, 2, 4, 5, 2, 2, 4, 4, 8, 5, 4, 4, 7, 4, 9, 9, 0, 3, 4, 4, 5 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS Imaginary part of 2^i, where i = sqrt(-1). Continued fraction expansion: 0, 1, 1, 1, 3, 2, 1, 9, 1, 27, 1, 1, 13, 1, 4, 2, 1, 1, 6, 1, 3, 13, 7, 2, 3, 1, 3,... LINKS Bruno Berselli, Table of n, a(n) for n = 0..1000 FORMULA sin(log(2)) = (2^i - 2^(-i))/(2i). EXAMPLE 0.63896127631363480115003291146470178425723053783057972949558695664632... MATHEMATICA RealDigits[Sin[Log[2]], 10, 90][[1]] (* or *) RealDigits[Im[2^I], 10, 90][[1]] PROG (PARI) sin(log(2)) (Maxima) fpprec:90; ev(bfloat(sin(log(2)))); CROSSREFS Cf. A002162, A219705 (real part of 2^i). Sequence in context: A301429 A198836 A271179 * A242013 A242962 A257938 Adjacent sequences:  A220082 A220083 A220084 * A220086 A220087 A220088 KEYWORD nonn,cons AUTHOR Bruno Berselli, Dec 31 2012 STATUS approved

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Last modified April 18 10:59 EDT 2019. Contains 322209 sequences. (Running on oeis4.)