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 A031339 #20 Jan 17 2024 14:52:45 %S A031339 13,37,61,89,113,151,181,223,251,281,317,359,397,433,463,503,557,593, %T A031339 619,659,701,743,787,827,863,911,953,997,1033,1069,1109,1163,1213, %U A031339 1249,1291,1321,1399,1439,1481,1511,1559,1601,1627,1693,1733 %N A031339 a(n) = prime(6*n). %H A031339 Jens Kruse Andersen, <a href="/A031339/b031339.txt">Table of n, a(n) for n = 1..10000</a> %p A031339 ithprime(6*n) %t A031339 Prime[6*Range[50]] (* _Harvey P. Dale_, Jan 17 2024 *) %o A031339 (Magma) [ NthPrime(6*n): n in [1..50] ]; // _Vincenzo Librandi_, Apr 10 2011 %o A031339 (Sage) [nth_prime(6*n) for n in (1..50)] # _Bruno Berselli_, May 07 2014 %o A031339 (PARI) a(n)=prime(6*n) \\ _Edward Jiang_, Sep 08 2014 %Y A031339 Cf. similar sequences listed in A031336. %K A031339 nonn,easy %O A031339 1,1 %A A031339 _Jeff Burch_