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%I #11 Jun 07 2018 02:55:21
%S 47,73,131,157,257,367,677,971,1097,1123,1181,1543,1601,1753,2383,
%T 2441,2467,2677,3307,3407,3617,3727,3911,4357,4457,4903,4987,5113,
%U 5297,5381,5407,5743,5801,6037,6373,6977,7187,7213,7481,7717,7817,7901,7927,8053
%N Primes p from A031924 such that A052180(primepi(p)) = 7.
%Y Cf. A031924, A031925, A052180.
%K nonn
%O 1,1
%A _Labos Elemer_, Feb 01 2000
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