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A173818 3*n-1 is a circular prime. 1

%I #4 Mar 30 2012 18:52:39

%S 1,2,4,6,38,66,398,1260,3980

%N 3*n-1 is a circular prime.

%Y Cf. A016114.

%K nonn,less

%O 1,2

%A _Juri-Stepan Gerasimov_, Feb 25 2010

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Last modified March 29 03:51 EDT 2024. Contains 371264 sequences. (Running on oeis4.)