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 A075745 #19 Sep 08 2022 08:45:07 %S A075745 0,1,2,3,4,5,7,8,10,14,15,16,17,18,19,21,27,32,36,38,41,43,45,47,48, %T A075745 49,50,51,54,60,61,62,66,67,68,69,70,71,76,77,79,83,85,88,90,92,93,94, %U A075745 95,96,98,100,102,105,106,107,113,116,118,121,122,124,125,127,128,129,132 %N A075745 Numbers n such that 210*n + 13 is prime. %H A075745 Vincenzo Librandi, <a href="/A075745/b075745.txt">Table of n, a(n) for n = 1..1000</a> %e A075745 n=2: 210*2 + 13 = 433 is prime. %t A075745 Select[Range[0, 500], PrimeQ[210*# + 13] &] (* _Vincenzo Librandi_, Oct 04 2012 *) %o A075745 (Magma) [n: n in [0..150]| IsPrime(210*n + 13)]; // _Vincenzo Librandi_, Oct 04 2012 %o A075745 (PARI) is(n)=isprime(210*n+13) \\ _Charles R Greathouse IV_, May 22 2017 %Y A075745 Cf. A140841. %K A075745 easy,nonn %O A075745 1,3 %A A075745 _Zak Seidov_, Oct 08 2002 %E A075745 0 inserted by _Ray Chandler_, Apr 30 2010