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%I #6 May 28 2017 09:42:49
%S 2060959049,5179429429,5817066779,12956411939,13177258649,13180695739,
%T 13421782139,14203265309,14388905039,14550841619,14837398039,
%U 16968792109,20244234709
%N Initial prime in set of 4 consecutive primes in arithmetic progression with difference 84.
%C a(1) = 2060959049 = A052239(14).
%K nonn
%O 1,1
%A _Zak Seidov_, May 27 2017