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 A140849 #12 Sep 08 2022 08:45:35 %S A140849 43,463,673,883,1093,1303,1723,1933,2143,3613,3823,4243,4663,5503, %T A140849 5923,6133,6343,6553,6763,7393,7603,8233,8443,8863,9283,10333,10753, %U A140849 11173,11383,11593,12433,12853,13063,13693,13903,14323,14533,15373,15583 %N A140849 Primes of the form 210k + 43. %t A140849 Select[43+210Range[0,150],PrimeQ] (* _Ray Chandler_, Apr 29 2010 *) %o A140849 (Magma) [ a: n in [0..900] | IsPrime(a) where a is 210*n+43] // _Vincenzo Librandi_, Nov 24 2010 %Y A140849 Cf. A073102. %K A140849 nonn %O A140849 1,1 %A A140849 _Juri-Stepan Gerasimov_, Jul 04 2008 %E A140849 Extended by _Ray Chandler_, Apr 29 2010 %E A140849 More terms from _Vincenzo Librandi_, Apr 28 2010