Search: id:A112550
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%I A112550
%S A112550 41,282407,99054112352057,29847243642863658530046303259457,
%T A112550 438302112913620818033722039251417607232953642602702120391887945707
%N A112550 Define a(1)=41; then a(n)=k*a(n-1)^2-1 with k least number such that 
               a(n) and a(n)+2 are twin primes.
%e A112550 168*41^2-1=282407, 282407 and 282409 are twin primes so a(2)=282407
%Y A112550 See k sequence in A112551
%Y A112550 Sequence in context: A106203 A084275 A078813 this_sequence A114927 A087512 
               A125194
%Y A112550 Adjacent sequences: A112547 A112548 A112549 this_sequence A112551 A112552 
               A112553
%K A112550 nonn
%O A112550 1,1
%A A112550 Pierre CAMI (pierrecami(AT)tele2.fr), Sep 13 2005

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