Search: id:A057705
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%I A057705
%S A057705 5,29,2309,30029,304250263527209,23768741896345550770650537601358309,
%T A057705 1936138664070082316347142505431232008266289761257156376190696241421501236985663717909694733524368066960753147\
               5629148240284399976569
%N A057705 Primorial primes: primes p such that p+1 is a primorial number (A002110).
%t A057705 lst={};r=1;Do[p=Prime[n];r=r*p;q=r-1;If[PrimeQ[q], (*Print[p];*)AppendTo[lst, 
               q]], {n, 1, 10^2}];lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), 
               Aug 22 2008]
%Y A057705 See A006794 and A057704 (the main entries for this sequence) for more 
               terms. Cf. A014545, A002110.
%Y A057705 Sequence in context: A057208 A046842 A057706 this_sequence A086720 A056869 
               A098346
%Y A057705 Adjacent sequences: A057702 A057703 A057704 this_sequence A057706 A057707 
               A057708
%K A057705 nonn,nice
%O A057705 0,1
%A A057705 Labos E. (labos(AT)ana.sote.hu), Oct 24 2000

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