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 A133869 #16 Sep 08 2022 08:45:32 %S A133869 3,6,8,11,14,18,20,21,24,29,36,38,39,44,50,53,59,63,65,66,71,81,83,84, %T A133869 86,95,98,99,104,105,108,113,125,129,134,140,141,146,150,156,161,165, %U A133869 170,174,183,186,191,198,204,209,218,228,231,233,234,239,240,245,246 %N A133869 Numbers k such that 32*k + 1 is prime. %H A133869 Vincenzo Librandi, <a href="/A133869/b133869.txt">Table of n, a(n) for n = 1..1000</a> %t A133869 Select[Range[800], PrimeQ[32 # + 1] &] (* _Vincenzo Librandi_, May 23 2014 *) %o A133869 (Magma) [n: n in [0..1500] | IsPrime(32*n+1)]; // _Vincenzo Librandi_, Dec 16 2010 %o A133869 (PARI) is(n)=isprime(32*n+1) \\ _Charles R Greathouse IV_, Jun 06 2017 %Y A133869 Cf. A133870 (corresponding primes). %K A133869 nonn,easy %O A133869 1,1 %A A133869 _Zak Seidov_, Sep 27 2007