Search: id:A154297
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%I A154297
%S A154297 5,11,41,43
%N A154297 Primes of the form : 1/x+2/x+3/x+4/x+5/x+6/x+7/x+..., x=21.
%C A154297 Next term will be larger then : 3135291840
%t A154297 lst={};s=0;Do[s+=n/21;If[Floor[s]==s,If[PrimeQ[s],AppendTo[lst,s]]],{n,
               0,9!}];lst
%Y A154297 Cf. A057570, A154293, A154296
%Y A154297 Sequence in context: A042719 A045717 A063626 this_sequence A089441 A046121 
               A023271
%Y A154297 Adjacent sequences: A154294 A154295 A154296 this_sequence A154298 A154299 
               A154300
%K A154297 nonn
%O A154297 1,1
%A A154297 Vladimir Orlovsky (4vladimir(AT)gmail.com), Jan 06 2009

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