Search: id:A050449
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%I A050449
%S A050449 1,1,1,1,6,1,1,1,10,6,1,1,14,1,6,1,18,10,1,6,22,1,1,1,31,14,10,
%T A050449 1,30,6,1,1,34,18,6,10,38,1,14,6,42,22,1,1,60,1,1,1,50,31,18,14,
%U A050449 54,10,6,1,58,30,1,6,62,1,31,1,84,34,1,18,70,6,1,10,74,38,31,1
%N A050449 Sum_{d|n, d=1 mod 4} d.
%F A050449 G.f.: Sum_{n>=0} (4*n+1)*x^(4*n+1)/(1-x^(4*n+1)). - Vladeta Jovovic (vladeta(AT)eunet.rs), 
               Nov 14 2002
%F A050449 a(n) = A000593(n) - A050452(n). - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), 
               Apr 18 2006
%Y A050449 Cf. A050460, A001826.
%Y A050449 Sequence in context: A072815 A080304 A166142 this_sequence A108131 A073354 
               A128423
%Y A050449 Adjacent sequences: A050446 A050447 A050448 this_sequence A050450 A050451 
               A050452
%K A050449 nonn
%O A050449 0,5
%A A050449 N. J. A. Sloane (njas(AT)research.att.com), Dec 23 1999
%E A050449 More terms from Vladeta Jovovic (vladeta(AT)eunet.rs), Nov 14 2002
%E A050449 More terms from Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), 
               Apr 18 2006

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