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%I #30 Nov 02 2013 19:30:05
%S 2,3,19,23,31,43,59,61,73,83,103,107,109,113,151,163,179,181,197,199,
%T 233,241,269,271,277,281,283,313,317,349,353,379,383,409,421,433,443,
%U 449,461,463,503,509,523,571,577,593,599,601,617,619,643,647,659,661,677
%N Primes in A217689.
%C Apart from the initial 2, the odd terms of A217689. - _M. F. Hasler_, Oct 19 2012
%F If A(n) is the number of terms not exceeding n, then heuristically A(n) is equivalent to log(2)*pi(n), as n tends to infinity. Practically, an approximation of A(n)is given by the expression n*log(2)/log(n*log(n)).
%Y Cf. A217689.
%K nonn
%O 1,1
%A _Vladimir Shevelev_, Oct 11 2012
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