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OFFSET
| 1,1
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COMMENTS
| No other terms below 2*10^5.
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REFERENCES
| J.-M. De Koninck, Ces nombres qui nous fascinent, Entry 139, p. 48, Ellipses, Paris 2008.
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EXAMPLE
| a(2) = 3 because 3^3 + 2 = 29 is prime.
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MATHEMATICA
| For[n = 1, n < 700, n++, If[PrimeQ[3^Prime[n] + 2], Print[Prime[n]]]] - Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Mar 18 2006
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CROSSREFS
| Cf. A057739.
Sequence in context: A010343 A118169 A066908 * A042073 A124236 A042369
Adjacent sequences: A057735 A057736 A057737 * A057739 A057740 A057741
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KEYWORD
| more,nonn,bref
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AUTHOR
| G. L. Honaker, Jr. (honak3r(AT)gmail.com), Oct 29 2000
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EXTENSIONS
| Lower bound for the next term updated by Max Alekseyev (maxale(AT)gmail.com), Jun 14 2011
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