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 A105138 #12 Sep 08 2022 08:45:17 %S A105138 2,4,5,10,13,17,19,25,28,37,38,40,44,47,52,53,59,62,70,74,77,79,82,83, %T A105138 103,110,115,119,124,130,137,140,149,152,158,170,173,178,179,193,200, %U A105138 205,208,209,212,217,230,235,238,242,247,248,257,268,269,272,275,280,283,299,307 %N A105138 Numbers n such that 256n+129 is prime. %H A105138 Vincenzo Librandi, <a href="/A105138/b105138.txt">Table of n, a(n) for n = 1..1000</a> %t A105138 Select[Range[0, 500], PrimeQ[256 # + 129]&] (* _Vincenzo Librandi_, Jan 08 2013 *) %o A105138 (Magma) [n: n in [0..350] | IsPrime(256*n+129)]; // _Vincenzo Librandi_, Jan 08 2013 %o A105138 (PARI) is(n)=isprime(256*n+129) \\ _Charles R Greathouse IV_, Jun 12 2017 %Y A105138 Cf. A095278, A105133-A105140, A002145, A007521, A105126-A105132. %K A105138 nonn,easy %O A105138 1,1 %A A105138 _N. J. A. Sloane_, based on correspondence from _Marco Matosic_, Apr 11 2005