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Search: id:A065518
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| A065518 |
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Denominator of n/(sum of the digits of n). |
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+0
2
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| 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 4, 5, 2, 7, 8, 1, 10, 1, 1, 2, 5, 1, 7, 4, 1, 5, 11, 1, 4, 5, 2, 7, 8, 1, 10, 11, 4, 1, 5, 1, 7, 2, 1, 5, 11, 1, 13, 1, 2, 7, 8, 1, 2, 11, 4, 13, 14, 1, 7, 4, 1, 5, 11, 2, 13, 7, 5, 1, 8, 1, 10, 11, 4, 13, 2, 5, 16, 1, 1, 5, 11, 1, 13
(list; graph; listen)
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OFFSET
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1,11
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LINKS
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Harry J. Smith, Table of n, a(n) for n=1,...,1000
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EXAMPLE
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1, 1, 1, 1, 1, 1, 1, 1, 1, 10, 11/2, 4, 13/4, 14/5, 5/2, 16/7, 17/8, 2, 19/10, 10, 7, 11/2, ...
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PROGRAM
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(PARI) SumD(x)= { local(s=0); while (x>9, s+=x-10*(x\10); x\=10); return(s + x) } { for (n=1, 1000, a=denominator(n/SumD(n)); write("b065518.txt", n, " ", a) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Oct 20 2009]
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CROSSREFS
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Cf. A065517, A007954.
Sequence in context: A038574 A072014 A078606 this_sequence A072012 A038502 A106610
Adjacent sequences: A065515 A065516 A065517 this_sequence A065519 A065520 A065521
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KEYWORD
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nonn,base
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Nov 27 2001
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EXTENSIONS
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Definition corrected by Harry J. Smith (hjsmithh(AT)sbcglobal.net), Oct 20 2009
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