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 A031383 #17 Sep 08 2022 08:44:50
%S A031383 17,53,97,139,191,239,283,349,401,457,509,577,631,683,751,821,877,941,
%T A031383 1009,1061,1117,1193,1259,1307,1409,1459,1523,1583,1637,1721,1787,
%U A031383 1871,1933,2003,2081,2137,2221,2287,2351,2411,2477,2579,2659
%N A031383 a(n) = prime(9*n - 2).
%H A031383 Ivan Panchenko, <a href="/A031383/b031383.txt">Table of n, a(n) for n = 1..1000</a>
%e A031383 a(1) = 17 because 9 * 1 - 2 = 7 and the 7th prime is 17.
%e A031383 a(2) = 53 because 9 * 2 - 2 = 16 and the 16th prime is 53.
%t A031383 Table[Prime[9n - 2], {n, 45}] (* _Alonso del Arte_, Apr 08 2011 *)
%o A031383 (Magma) [ NthPrime(9*n-2): n in [1..1000] ]; // _Vincenzo Librandi_, Apr 08 2011
%Y A031383 Cf. A017245.
%K A031383 nonn
%O A031383 1,1
%A A031383 _Jeff Burch_