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%I #2 Mar 30 2012 17:35:07
%S 17,53,109,157,173,193,227,229,281,349,439,607,659,701,709,827,883,
%T 977,1153,1187,1301,1619,1667,1867,2207,2281,2287,2293,2339,2671,2819,
%U 2843,3001,3067,3313,3457,3461,3539,3673,3727,3833,3943,4013,4051,4517,4951
%N Central term of seven successive primes whose average is a prime.
%C The average value is not always the same as the central term.
%F a(n)=[p(n-3)+p(n-2)+p(n-1)+p(n)+p(n+1)+p(n+2)+p(n+3)]/7
%K nonn
%O 1,1
%A _Carmine Suriano_, Sep 06 2010
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