Search: id:A082053
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%I A082053
%S A082053 1,3,1,7,6,9,1,15,10,18,1,25,14,17,6,31,18,36,1,42,22,25,1,57,31,42,10,
%T A082053 49,30,54,1,63,34,54,6,88,38,41,14,90,42,86,1,73,60,49,1,121,50,93,18,
%U A082053 98,54,90,6,113,58,90,1,150,62,65,31,127,84,130,1,126,70,102,1,192
%N A082053 Sum of divisors of n that are not of the form 4k+3.
%C A082053 a(A002145(n))=1.
%o A082053 (PARI) for(n=1,100,print1(sumdiv(n,d,if(d%4!=3,d))","))
%Y A082053 Cf. A082052, A050449, A050452, A000203, A050460, A078181, A078182.
%Y A082053 Sequence in context: A110168 A046913 A118228 this_sequence A136035 A132307 
               A101748
%Y A082053 Adjacent sequences: A082050 A082051 A082052 this_sequence A082054 A082055 
               A082056
%K A082053 nonn,easy
%O A082053 1,2
%A A082053 Ralf Stephan (ralf(AT)ark.in-berlin.de), Apr 02 2003

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