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A120024 Numbers n such that 2*6^n-1 and 2*6^n+1 are twin primes. 1

%I #5 Sep 24 2013 09:21:37

%S 1,2,3,4,2175

%N Numbers n such that 2*6^n-1 and 2*6^n+1 are twin primes.

%C No more terms through 10^4. - _Ryan Propper_, Dec 31 2007

%Y Cf. A057472 A120023.

%K more,nonn

%O 1,2

%A _Pierre CAMI_, Jun 04 2006

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Last modified March 28 10:31 EDT 2024. Contains 371240 sequences. (Running on oeis4.)