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%I #9 May 31 2013 04:12:41
%S 31,43,47,53,61,79,97,103,163,199,227,233,257,311,347,359,373,487,571,
%T 607,659,691,743,859,863,907,1013,1103,1151,1187,1201,1303,1361,1367,
%U 1399,1553,1597,1753,1783,1907,1933,2011,2017,2029,2207,2237,2287,2347
%N Primes of the form (n + prime(n))/2.
%C Primes generated by A225861.
%H Paolo P. Lava, <a href="/A225862/b225862.txt">Table of n, a(n) for n = 1..1000</a>
%t Select[Table[(n + Prime[n])/2, {n, 568}], PrimeQ]
%Y Cf. A225861.
%K nonn
%O 1,1
%A _Jayanta Basu_, May 18 2013