Search: id:A125018
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%I A125018
%S A125018 1,5,9,13,17,29,37,41,45,49,53,61,73,81,89,97,101,109,113,117,121,137,
%T A125018 149,153,157,173,181,193,197,229,233,241,245,257,261,269,277,281,293
%N A125018 Numbers == 1 mod 4 with a unique partition as a sum of 2 squares x^2+y^2.
%C A125018 These numbers have exactly one representation as a sum of two triangular 
               numbers A119345
%Y A125018 Cf. A002145, A124982, A124983.
%Y A125018 Sequence in context: A057653 A085759 A032493 this_sequence A074787 A079497 
               A081835
%Y A125018 Adjacent sequences: A125015 A125016 A125017 this_sequence A125019 A125020 
               A125021
%K A125018 nonn
%O A125018 1,2
%A A125018 Artur Jasinski (grafix(AT)csl.pl), Nov 16 2006

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