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 A140845 #12 Sep 08 2022 08:45:35 %S A140845 29,239,449,659,1289,1499,1709,2129,2339,2549,2969,3389,4019,4229, %T A140845 4649,5279,6329,6959,7589,8009,8219,8429,8849,9059,9479,9689,10529, %U A140845 10739,10949,11159,11369,11579,11789,13049,13259,13469,13679,14519,14939 %N A140845 Primes of the form 210k + 29. %t A140845 Select[29+210Range[0,150],PrimeQ] (* _Ray Chandler_ *) %o A140845 (Magma) [ a: n in [0..900] | IsPrime(a) where a is 210*n+29] // _Vincenzo Librandi_, Nov 24 2010 %Y A140845 Cf. A073102. %K A140845 nonn %O A140845 1,1 %A A140845 _Juri-Stepan Gerasimov_, Jul 04 2008 %E A140845 Extended by several authors, Apr 29 2010