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Primes p_n for which A140141(n) < 2p_n, where p_n = n-th prime (A000040).
4

%I #19 Jul 15 2018 13:33:59

%S 2,3,5,7,13,17,19,37,41,43,61,73,89,97,101,109,113,157,163,181,193,

%T 233,241,257,277,281,313,337,349,353,397,401,409,421,433,449,457,461,

%U 487,521,541,577,593,601,613,617,641,661,673,701,733,757,761,769,821,829

%N Primes p_n for which A140141(n) < 2p_n, where p_n = n-th prime (A000040).

%C Apparently this is the union of {2} and A058341. - _R. J. Mathar_, Jul 03 2009

%C This sequence is the complement of A058340. - _Torlach Rush_, Jun 29 2018

%Y Cf. A140141, A039649, A000010, A000040, A058340.

%K nonn

%O 1,1

%A _Vladimir Shevelev_, May 10 2008

%E Corrected and extended by _Ray Chandler_, May 20 2008