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Search: id:A113876
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| A113876 |
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Binary JIS for fraction 7/10. |
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+0
1
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| 1, 5, 13, 77, 205, 1229, 3277, 19661, 52429, 314573, 838861, 5033165, 13421773, 80530637, 214748365, 1288490189, 3435973837, 20615843021, 54975581389, 329853488333, 879609302221, 5277655813325, 14073748835533, 84442493013197
(list; graph; listen)
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OFFSET
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0,2
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FORMULA
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JIS[7/10, 2]
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EXAMPLE
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Binary expansion of 7/10 is periodic: 0.1,0,(1,1,0,0),(1,1,0,0)
position digit 1-> 1 3 4 7 8
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^(3-1)=5 Third term
2^(1-1)+2^(3-1)+2^(4-1)=13 etc.
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CROSSREFS
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Cf. A099974, A112627, A080355, A080567, A099969, A099970, A099971.
Sequence in context: A081525 A027612 A027457 this_sequence A096280 A092955 A081560
Adjacent sequences: A113873 A113874 A113875 this_sequence A113877 A113878 A113879
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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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