Search: id:A127263
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%I A127263
%S A127263 1,3,57,32547,9961491,297381939,1338104811
%N A127263 Numbers n such that n^3 divide 2^(n^2)+1.
%C A127263 If n belongs to this sequence, then so does (2^(n^2)+1)/n^2.
%H A127263 <a href="http://www.mathlinks.ro/Forum/viewtopic.php?p=796197">Discussion 
               at MathLinks forum</a>
%Y A127263 Cf. A006521, A093546, A093665.
%Y A127263 Sequence in context: A012204 A000281 A086220 this_sequence A134723 A133060 
               A037107
%Y A127263 Adjacent sequences: A127260 A127261 A127262 this_sequence A127264 A127265 
               A127266
%K A127263 nonn
%O A127263 1,2
%A A127263 Max Alekseyev (maxale(AT)gmail.com), Mar 27 2007, Mar 29 2007, Apr 18 
               2007
%E A127263 a(7) from Ryan Propper (rpropper(AT)cs.stanford.edu), Jan 01 2008

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