%I A051628
%S A051628 0,1,0,2,1,1,0,3,0,1,0,2,0,1,1,4,0,1,0,2,0,1,0,3,2,1,0,2,0,1,0,5,0,1,1,
%T A051628 2,0,1,0,3,0,1,0,2,1,1,0,4,0,2,0,2,0,1,1,3,0,1,0,2,0,1,0,6,1,1,0,2,0,1,
%U A051628 0,3,0,1,2,2,0,1,0,4,0,1,0,2,1,1,0,3,0,1,0,2,0,1,1,5,0,1,0,2,0,1,0,3,1
%N A051628 Number of digits in decimal expansion of 1/n before the periodic part 
               begins.
%H A051628 T. D. Noe, <a href="b051628.txt">Table of n, a(n) for n=1..1000</a>
%H A051628 L. Lopes, <a href="http://forumgeom.fau.edu/POLYA/ProblemCenter/POLYA013.html">
               POLYA problem</a>
%H A051628 <a href="Sindx_1.html#1overn">Index entries for sequences related to 
               decimal expansion of 1/n</a>
%F A051628 for n>1, a(n)=max(i, j) where n=2^i*3^x*5^j*... is the prime decomposition 
               of n.
%e A051628 1/8 = .1250000... so a(8)=3, 1/15 = .0666666..., so a(15)=1.
%Y A051628 Sequence in context: A123340 A110962 A065715 this_sequence A163540 A127967 
               A147602
%Y A051628 Adjacent sequences: A051625 A051626 A051627 this_sequence A051629 A051630 
               A051631
%K A051628 nonn,nice,easy,base
%O A051628 1,4
%A A051628 N. J. A. Sloane (njas(AT)research.att.com).
%E A051628 More terms from Michael Lugo (mlugo(AT)thelabelguy.com), Dec 22 1999
%E A051628 More terms from Frank Adams-Watters (FrankTAW(AT)Netscape.net), May 05 
               2006