Search: id:A049532
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%I A049532
%S A049532 7,18,32,38,41,43,57,68,70,82,93,99,107,117,118,132,143,157,168,182,
%T A049532 193,207,218,232,239,243,251,257,268,282,293,307,318,327,332,343,357,
%U A049532 368,378,382,393,407,408,418,432,437,443,457,468,482,493,500,507,515
%N A049532 a(n)^2+1 is not square-free.
%C A049532 A059592(a(n) > 1; A124809(n) = a(n)^2 + 1. - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), 
               Nov 08 2006
%e A049532 a(1)=7 and 7^2+1=49+1=50 is divided by 25, a square.
%Y A049532 Cf. A002522.
%Y A049532 Sequence in context: A061876 A103571 A103572 this_sequence A156619 A033537 
               A000566
%Y A049532 Adjacent sequences: A049529 A049530 A049531 this_sequence A049533 A049534 
               A049535
%K A049532 nonn
%O A049532 1,1
%A A049532 Labos E. (labos(AT)ana.sote.hu)

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