Search: id:A060370
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%I A060370
%S A060370 1,2,4,1,5,2,1,1,1,1,2,12,8,2,1,4,1,1,2,2,9,6,2,2,1,25,3,2,1,1,3,1,17,
%T A060370 3,1,2,2,2,1,4,1,1,2,1,2,2,7,1,2,1,1,34,8,5,1,1,1,54,4,10,2,2,2,2,1,4,
%U A060370 3,1
%N A060370 Ratios (p-1)/d, where p is a prime and d is the number of digits of the 
               periodic part of the decimal expansion of 1/p.
%C A060370 The sequence of 2nd, 4th and following terms coincides with A006556, 
               which gives the "number of different cycles of digits in the decimal 
               expansions of 1/p, 2/p, ..., (p-1)/p where p = n-th prime different 
               from 2 or 5".
%F A060370 a(n) = (b(n)-1)/c(n), where b(n) and c(n) are the n-th terms of A000040 
               and A048595 respectively.
%e A060370 a(13) = 40/5 = 8, since 41 is the 13th prime and the periodic part of 
               1/41 = 0,02439024390... consists of 5 digits.
%Y A060370 A000040, A060283, A048595, A006556.
%Y A060370 Sequence in context: A004597 A077623 A132042 this_sequence A165064 A021418 
               A094640
%Y A060370 Adjacent sequences: A060367 A060368 A060369 this_sequence A060371 A060372 
               A060373
%K A060370 nonn,base
%O A060370 1,2
%A A060370 Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Apr 01 2001

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