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%I A140383 #3 Jan 19 2019 04:14:58
%S A140383 2,3,17,3,7,257
%N A140383 Prime triples of the form p, 2^p -1, 2^(2^p)+1 derived from a single prime p.
%C A140383 List is probably complete (see comments in A000215, A019434).
%e A140383 (2,3,17) is a triple of 3 primes 2, 2^2-1, 2^4+1.
%Y A140383 Cf. A000040, A000043, A000668, A000215.
%K A140383 nonn,less
%O A140383 1,1
%A A140383 _Juri-Stepan Gerasimov_, Jun 14 2008
%E A140383 Edited by R. J. Mathar, Jun 16 2008

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