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 A031373 #16 Dec 28 2023 23:39:52 %S A031373 13,41,71,103,139,179,223,257,293,347,383,431,463,509,569,607,647,691, %T A031373 743,797,839,883,941,991,1033,1087,1123,1187,1231,1289,1321,1409,1451, %U A031373 1489,1549,1597,1627,1697,1747,1801,1871,1913,1987,2027 %N A031373 a(n) = prime(7n-1). %H A031373 Ivan Panchenko, <a href="/A031373/b031373.txt">Table of n, a(n) for n = 1..1000</a> %t A031373 Prime[7Range[50]-1] (* _Harvey P. Dale_, Oct 31 2011 *) %o A031373 (Magma) [ NthPrime(7*n-1): n in [1..1000] ]; // _Vincenzo Librandi_, Apr 10 2011 %Y A031373 Cf. A000040, A017053. %K A031373 nonn %O A031373 1,1 %A A031373 _Jeff Burch_