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Search: id:A113867
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| A113867 |
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Binary JIS for fraction 5/9. |
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+0
1
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| 1, 17, 49, 113, 1137, 3185, 7281, 72817, 203889, 466033, 4660337, 13048945, 29826161, 298261617, 835132529, 1908874353, 19088743537, 53448481905, 122167958641, 1221679586417, 3420702841969, 7818749353073, 78187493530737
(list; graph; listen)
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OFFSET
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0,2
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FORMULA
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JIS[5/9, 2]
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EXAMPLE
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Binary expansion of 5/9 is periodic: 0.(1,0,0,0,1,1),(1,0,0,0,1,1)
position digit 1-> 1 5 6 7
we create binary JIS as partial sums of infinite sum 2^(n-1) where n is
position where digits 1 occured in binary expansion). First term:
2^(1-1)=1 Second term 2^(1-1)+2^(5-1)=17 Third term
2^(1-1)+2^(6-1)+2^(6-1)=49 etc.
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CROSSREFS
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Cf. A099974, A112627, A080355, A080567, A099969, A099970, A099971.
Sequence in context: A029487 A069129 A124710 this_sequence A049737 A126371 A120612
Adjacent sequences: A113864 A113865 A113866 this_sequence A113868 A113869 A113870
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KEYWORD
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nonn,uned
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AUTHOR
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Artur Jasinski (grafix(AT)csl.pl), Jan 27 2006
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