This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A217622 #23 Sep 08 2022 08:46:04
%S A217622 5,17,41,67,109,157,191,241,283,353,401,461,547,587,617,739,797,877,
%T A217622 967,1031,1087,1171,1217,1409,1447,1499,1597,1669,1741,1823,1913,2063,
%U A217622 2099,2269,2351,2417,2549,2647,2719,2803,2909,3019,3109,3229,3299,3407,3517
%N A217622 Prime(prime(2*n)).
%C A217622 Subsequence of A006450.
%C A217622 Using the Prime Number Theorem, prime(n) ~ n log n, the asymptotic behavior is A217622(n) ~ 2n (log 2n) log(2n log 2n) ~ 2n (log n)^2 ~ A230460(n). - _M. F. Hasler_, Oct 19 2013
%H A217622 Vincenzo Librandi, <a href="/A217622/b217622.txt">Table of n, a(n) for n = 1..1000</a>
%F A217622 a(n) = A000040(A031215(n)). - _Omar E. Pol_, Oct 19 2013
%F A217622 a(n) = A006450(2n). - _M. F. Hasler_, Oct 20 2013
%t A217622 Table[Prime[Prime[2n]], {n, 100}]
%o A217622 (Magma) [NthPrime(NthPrime(2*n)): n in [1..50] ]; //
%o A217622 (PARI) a(n)=prime(prime(2*n)) \\ _Charles R Greathouse IV_, Oct 20 2013
%Y A217622 Cf. A000040, A006450, A066066, A031215, A230460.
%K A217622 nonn,easy
%O A217622 1,1
%A A217622 _Vincenzo Librandi_, Oct 13 2012