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A068825 a(1) = 3 and the sequence of smallest primes not included earlier, the concatenation of which is the cyclic pattern 357913579135... 0

%I #7 Dec 05 2013 19:55:13

%S 3,5,7,913579,13,5791,357913,5791357913579135791357,91357913,

%T 5791357913579135791357913579135791357913579135791357913579135791,

%U 35791357913579,1357913579135791357913

%N a(1) = 3 and the sequence of smallest primes not included earlier, the concatenation of which is the cyclic pattern 357913579135...

%C Is this sequence infinite?

%C a(13) is the 1073-digit number 57913579...13579. a(8) through a(13) have been certified prime with Primo. - _Rick L. Shepherd_, May 06 2002

%K nonn,base

%O 1,1

%A _Amarnath Murthy_, Mar 08 2002

%E More terms from _Rick L. Shepherd_, May 06 2002

%E Comment from _Charles R Greathouse IV_, Apr 28 2010

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Last modified September 18 10:31 EDT 2024. Contains 375999 sequences. (Running on oeis4.)