Search: id:A145016
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%I A145016
%S A145016 5,13,17,29,37,53,73,97,101,109,137,173,197,229,241,257,281,293,349,397,
%T A145016 401,409,457,509,577,601,641,661,677,701,733,809,857,877,977,997,1033,
%U A145016 1049,1093,1153,1181,1229,1289,1297,1321,1373,1433,1453,1493,1601,1609
%N A145016 Primes p of the form 4k+1 for which p-(floor(sqrt(p)))^2 is a full square
%C A145016 If a(n)=x^2+y^2 then y=floor(sqrt(a(n))) and by well known Euler theorem, 
               it is the unique such representation
%Y A145016 Sequence in context: A077426 A002144 A111055 this_sequence A123079 A038938 
               A053028
%Y A145016 Adjacent sequences: A145013 A145014 A145015 this_sequence A145017 A145018 
               A145019
%K A145016 nonn
%O A145016 1,1
%A A145016 Vladimir Shevelev (shevelev(AT)bgu.ac.il), Sep 29 2008

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