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%I #7 Apr 24 2018 12:10:08
%S 2,126217792286,600030498926,1248599869826,226537279412126,
%T 7615111129051346,9609149773927166,17502271515299726,
%U 20140666152370226,126921319513852046,133564589570047406,141572739574418846,185615640867777506,193420934175277166
%N Even pseudoprimes m (A006935) such that 2m+1 is prime.
%C For n>1, 2*a(n)+1 belongs to A300193.
%Y Subsequence of A006935.
%Y Cf. A300193, A303009, A303447, A303448.
%K nonn,hard
%O 1,1
%A _Max Alekseyev_, Apr 17 2018
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