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 A140842 #12 Sep 08 2022 08:45:35 %S A140842 17,227,647,857,1277,1487,1697,1907,2957,3167,3797,4007,4217,4637, %T A140842 5477,5897,6317,6737,6947,7577,8627,8837,9257,9467,9677,9887,10937, %U A140842 11777,11987,12197,13037,13457,13877,14087,14717,15137,15767,16187,16607 %N A140842 Primes of the form 210k + 17. %t A140842 Select[17 + 210 Range[0, 100], PrimeQ] (* _T. D. Noe_, Apr 27 2010 *) %o A140842 (Magma) [ a: n in [0..900] | IsPrime(a) where a is 210*n+17] // _Vincenzo Librandi_, Nov 24 2010 %Y A140842 Cf. A073102, A075747. %K A140842 nonn %O A140842 1,1 %A A140842 _Juri-Stepan Gerasimov_, Jul 04 2008 %E A140842 Extended by several contributors, Apr 29 2010