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Search: id:A136275
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| A136275 |
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Similar to A137284, but considering Sum{ k = 1,2,3,.. } 5^(-nk). |
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+0
1
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| 1, 2, 3, 5, 8, 12, 18, 26, 38, 55, 79, 114
(list; graph; listen)
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OFFSET
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0,2
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EXAMPLE
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Start from 0.
0 + 5^(-1)= 0.2
0.2 + 5^(-2)= 0.24 (first digit "2" is equal to the decimal of previous number)
0.24 + 5^(-3)=0.248 (first digits "24" are equal to the decimals of previous number)
0.248 + 5^(-5)=0.24832 (first digits "248" are equal to the decimals of previous number)
etc.
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CROSSREFS
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Adjacent sequences: A136272 A136273 A136274 this_sequence A136276 A136277 A136278
Sequence in context: A098693 A122928 A001524 this_sequence A078408 A007478 A014605
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KEYWORD
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easy,more,nonn
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AUTHOR
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Paolo P. Lava & Giorgio Balzarotti (ppl(AT)spl.at), Mar 19 2008
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