%I #2 Mar 30 2012 17:40:36
%S 4,5,6,9,12,15,17,18,21,22,23,26,29,30,31,34,37,38,39,42,43,45,46,47,
%T 49,50,51,52,53,55,56,60,64,68,69,70,71,72,76,77,78,79,81,82,86,87,89,
%U 91,92,93,95,96,97,99,100,101,102,105,106,107,108,110,111,112,113,114
%N Positive n which are the average of a run of at least 2 consecutive primes.
%e 4=(3+5)/2.
%Y Cf. A060863, A115985.
%K nonn
%O 1,1
%A _Giovanni Resta_, Feb 10 2006