Search: id:A049485
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%I A049485
%S A049485 19,41,43,59,71,73,79,101,103,107,109,167,173,181,197,199,241,257,263,
%T A049485 283,293,307,313,317,337,379,397,409,421,431,433,479,491,503,509,523,
%U A049485 547,577,599,601,613,641,643,653,659,661,683,691,701,727,733,751,769
%N A049485 Both p and p+Q(7) are primes, where Q(7)=510510 is the 7th primorial 
               number (A002110[ 7 ]).
%C A049485 p and p+510510 are not necessarily consecutive primes
%e A049485 19 and 19 + 2*3*5*7*11*13*17 = 510529 is prime
%t A049485 lst={};Do[p=Prime[n];If[PrimeQ[p+510510],AppendTo[lst,p]],{n,6!}];lst 
               [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Jan 04 2009]
%Y A049485 A045320, A001359, A023201, sequs for p+primorial cases
%Y A049485 Sequence in context: A065349 A085778 A090265 this_sequence A019393 A029489 
               A155024
%Y A049485 Adjacent sequences: A049482 A049483 A049484 this_sequence A049486 A049487 
               A049488
%K A049485 nonn
%O A049485 1,1
%A A049485 Labos E. (labos(AT)ana.sote.hu)

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