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 A100906 #9 Feb 19 2016 08:42:07 %S A100906 1,5,60,72,118,181,245,310,498,820,962,2212,3928,5844,5937 %N A100906 Numbers n such that (14^n+1)^2-2 is prime. %C A100906 Next term > 30000. %H A100906 S. Harvey, <a href="http://harvey563.tripod.com/Carol_Kynea.txt">Carol and Kynea Primes</a>. %o A100906 (PARI) is(n)=ispseudoprime((14^n+1)^2-2) \\ _Charles R Greathouse IV_, Feb 19 2016 %K A100906 nonn,more %O A100906 1,2 %A A100906 _Ray Chandler_, Nov 21 2004