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Search: id:A057705
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| A057705 |
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Primorial primes: primes p such that p+1 is a primorial number (A002110). |
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+0
14
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| 5, 29, 2309, 30029, 304250263527209, 23768741896345550770650537601358309, 19361386640700823163471425054312320082662897612571563761906962414215012369856637\ 179096947335243680669607531475629148240284399976569
(list; graph; listen)
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OFFSET
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0,1
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MATHEMATICA
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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]
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CROSSREFS
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See A006794 and A057704 (the main entries for this sequence) for more terms. Cf. A014545, A002110.
Sequence in context: A057208 A046842 A057706 this_sequence A086720 A056869 A098346
Adjacent sequences: A057702 A057703 A057704 this_sequence A057706 A057707 A057708
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KEYWORD
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nonn,nice
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), Oct 24 2000
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