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Search: id:A111690
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| A111690 |
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Least integer multiple of 1/n, truncated to n digits after decimal. |
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+0
1
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| 1, 1, 333, 1, 1, 83333, 1428571, 1, 111111111, 1, 909090909, 83333333333, 76923076923, 7142857142857, 33333333333333, 1, 588235294117647, 11111111111111111, 52631578947368421, 1, 47619047619047619047
(list; graph; listen)
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OFFSET
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1,3
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COMMENT
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The "least integer multiple" of a rational number is also called its "numerator". The denominators are 1,2,1e3,4,5,5e5,1e7,8,1e9,10,1e10,1e12,1e12,1e14,5e14,16,1e16,2e17,1e18,20,1e21. [From David Wasserman (dwasserm(AT)earthlink.net), Feb 11 2009]
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EXAMPLE
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a(7) = 1428571, 1/7= 0.1428571...
a(8) = 1, 1/8 = .12500000.
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PROGRAM
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(PARI) a(n) = numerator((10^n\n)/10^n); [From David Wasserman (dwasserm(AT)earthlink.net), Feb 11 2009]
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CROSSREFS
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Sequence in context: A133141 A097401 A114084 this_sequence A056089 A066801 A066349
Adjacent sequences: A111687 A111688 A111689 this_sequence A111691 A111692 A111693
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KEYWORD
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base,easy,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 17 2005
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EXTENSIONS
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More terms from David Wasserman (dwasserm(AT)earthlink.net), Feb 11 2009
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