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A068433
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Expansion of log(3) in base 2.
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0
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1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1
(list;
constant;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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COMMENTS
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log(3) = 1.098612288668109...
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LINKS
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Table of n, a(n) for n=1..105.
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MATHEMATICA
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RealDigits[Log[3], 2, 108][[1]] (* Alonso del Arte, Feb 17 2013 *)
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PROG
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(JavaScript)
function binaryExp(n) {
x = new Array();
for (i = 0; i < 50; i++) if (n - Math.pow(2, 1 - i) >= 0) {n -= Math.pow(2, 1 - i); x[i] = 1; } else x[i] = 0;
return x;
}
document.write(Math.log(3) + "<br>");
document.write(binaryExp(Math.log(3))); // Jon Perry, Nov 18 2012
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CROSSREFS
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Cf. A002391.
Sequence in context: A187615 A120528 A164950 * A088592 A029692 A071906
Adjacent sequences: A068430 A068431 A068432 * A068434 A068435 A068436
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KEYWORD
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cons,easy,nonn
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AUTHOR
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Benoit Cloitre, Mar 09 2002
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STATUS
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approved
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