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Last filtering prime (A052180) of primes p such that next prime is p+8 (A031926).
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%I #4 Oct 15 2013 22:30:33

%S 7,19,17,13,11,13,17,13,19,7,7,13,11,7,23,11,7,11,7,11,11,7,19,37,31,

%T 7,7,17,7,13,43,23,43,7,17,37,41,7,43,41,23,17,13,11,7,13,19,11,61,13,

%U 7,19,13,67,7,31,31,29,11,7,41,7,11,37,29,11,7,13,13,7,11,61,7,7,67,29,7

%N Last filtering prime (A052180) of primes p such that next prime is p+8 (A031926).

%Y A052180(A031926(n)).

%K nonn,easy

%O 1,1

%A _Labos Elemer_, Feb 02 2000