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 A031907 #11 Sep 08 2022 08:44:50 %S A031907 3,23,53,83,113,157,193,233,271,313,359,401,443,487,541,587,619,661, %T A031907 719,761,821,859,911,967,1013,1051,1097,1153,1213,1259,1301,1367,1429, %U A031907 1471,1511,1567,1609,1663,1721,1777,1831,1879,1949,1999,2053 %N A031907 a(n) = prime(7*n - 5). %t A031907 Prime[7*Range[50]-5] (* _Harvey P. Dale_, May 12 2014 *) %o A031907 (Magma) [ NthPrime(7*n-5): n in [1..1000] ]; // _Vincenzo Librandi_, Apr 10 2011 %K A031907 nonn %O A031907 1,1 %A A031907 _Jeff Burch_