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%I #4 Mar 30 2012 18:50:25
%S 7,11,13,17,29,29,37,41,53,61,67,79,89,89,97,109,131,127,137,149,149,
%T 163,173,181,197,233,211,227,223,229,257,269,277,281,311,307,317,331,
%U 337,349,389,367,389,389,397,401,433,449,457,461,479,491,487,509,521
%N Smallest prime p such that also p-prime(n)*2 is a prime.
%Y Cf. A073703, A001747, A000040, A020484.
%K nonn
%O 1,1
%A _Reinhard Zumkeller_, Aug 04 2002
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