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Search: id:A113829
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| A113829 |
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Binary JIS for 6-th Fibonacci fraction = 8/13. |
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+0
2
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| 1, 9, 25, 57, 185, 441, 4537, 37305, 102841, 233913, 758201, 1806777, 18583993, 152801721, 421237177, 958108089, 3105591737, 7400559033, 76120035769, 625875849657, 1725387477433, 3924410732985, 12720503755193, 30312689799609
(list; graph; listen)
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OFFSET
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0,2
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FORMULA
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JIS[8/13, 2]
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EXAMPLE
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Binary expansion of 13/21 is periodic: 0.(1,0,0,1,1,1,0,1,1,0,0,0)
position digit 1-> 1 4 5 6 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^(4-1)=9 Third term 2^(1-1)+2^(4-1)+2^(5-1)=25 etc.
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CROSSREFS
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Cf. A099974, A112627, A080355, A080567, A099969, A099970, A099971.
Sequence in context: A113828 A099971 A124702 this_sequence A049740 A111440 A077118
Adjacent sequences: A113826 A113827 A113828 this_sequence A113830 A113831 A113832
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KEYWORD
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nonn,obsc,uned
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AUTHOR
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Artur Jasinski (grafix(AT)csl.pl), Jan 27 2006
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