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%I #7 Sep 08 2022 08:46:04
%S 11,41,83,157,211,283,367,461,563,617,773,877,991,1087,1201,1409,1471,
%T 1597,1723,1823,2027,2099,2341,2417,2609,2719,2897,3019,3169,3299,
%U 3469,3593,3761,4027,4153,4339,4463,4567,4787,4933,5059,5281,5503,5651,5801
%N Prime(prime(3*n)).
%C Subsequence of A006450.
%H Vincenzo Librandi, <a href="/A217624/b217624.txt">Table of n, a(n) for n = 1..1000</a>
%t Table[Prime[Prime[3n]], {n, 100}]
%o (Magma) [NthPrime(NthPrime(3*n)): n in [1..50]];
%Y Cf. A000040, A006450.
%K nonn,easy
%O 1,1
%A _Vincenzo Librandi_, Oct 13 2012
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