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 A032460 #16 Jul 08 2025 19:37:05 %S A032460 7,103,151,247,10183,55447 %N A032460 Numbers n such that 167*2^n+1 is prime. %H A032460 Ray Ballinger, <a href="http://www.prothsearch.com/index.html">Proth Search Page</a> %H A032460 <a href="/index/Pri#riesel">Index entries for sequences of n such that k*2^n-1 (or k*2^n+1) is prime</a> %o A032460 (PARI) is(n)=ispseudoprime(167*2^n+1) \\ _Charles R Greathouse IV_, May 22 2017 %K A032460 nonn,hard %O A032460 1,1 %A A032460 _N. J. A. Sloane_