A140383 - OEIS

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A140383

Prime triples of the form p, 2^p -1, 2^(2^p)+1 derived from a single prime p.

%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