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A111690 Least integer multiple of 1/n, truncated to n digits after decimal. 0

%I #12 Oct 03 2018 16:08:01

%S 1,1,333,1,1,83333,1428571,1,111111111,1,909090909,83333333333,

%T 76923076923,7142857142857,33333333333333,1,588235294117647,

%U 11111111111111111,52631578947368421,1,47619047619047619047

%N Least integer multiple of 1/n, truncated to n digits after decimal.

%C 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. - _David Wasserman_, Feb 11 2009

%C Duplicate of A095199. - _Georg Fischer_, Oct 02 2018

%e a(7) = 1428571, 1/7= 0.1428571...

%e a(8) = 1, 1/8 = .12500000.

%o (PARI) a(n) = numerator((10^n\n)/10^n); \\ _David Wasserman_, Feb 11 2009

%K base,easy,nonn

%O 1,3

%A _Amarnath Murthy_, Aug 17 2005

%E More terms from _David Wasserman_, Feb 11 2009

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Last modified April 26 15:44 EDT 2024. Contains 372003 sequences. (Running on oeis4.)