Search: id:A143481
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%I A143481
%S A143481 1,2,6,8,20,24,42,48,54,64,110,112,120,132,144,160,192,216,288,320,324,
%T A143481 360,396,416,440,480,486,504,616,624,660,672,720,736,840,864,1008,1044,
%U A143481 1104,1120,1200,1224,1260,1280,1296,1320,1380,1408,1512,1560,1632,1680
%N A143481 a(n) = the number of positive integers <= A143480(n) and coprime to A143480(n).
%C A143481 a(n+1) > a(n) for all n.
%H A143481 Leroy Quet, <a href="http://www.prism-of-spirals.net/">Home Page</a> 
               (listed in lieu of email address)
%Y A143481 Cf. A143480.
%Y A143481 Sequence in context: A140965 A002618 A069553 this_sequence A093968 A064713 
               A162213
%Y A143481 Adjacent sequences: A143478 A143479 A143480 this_sequence A143482 A143483 
               A143484
%K A143481 nonn
%O A143481 1,2
%A A143481 Leroy Quet Aug 19 2008
%E A143481 Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Nov 09 2008

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