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%I #3 Jan 19 2019 04:14:58
%S 2,3,17,3,7,257
%N Prime triples of the form p, 2^p -1, 2^(2^p)+1 derived from a single prime p.
%C List is probably complete (see comments in A000215, A019434).
%e (2,3,17) is a triple of 3 primes 2, 2^2-1, 2^4+1.
%Y Cf. A000040, A000043, A000668, A000215.
%K nonn,less
%O 1,1
%A _Juri-Stepan Gerasimov_, Jun 14 2008
%E Edited by R. J. Mathar, Jun 16 2008
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