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 A113943 #2 Jun 23 2015 11:22:20 %S A113943 13,47,103,151,433,739,1123,3581,7591,9319,10789,11903,14543,14797, %T A113943 22129,28069,42043,43331,44203,47779,49613,50539,52903,66617,70423, %U A113943 87313,87931,88547,91673,94841,98713,102677,113591,128747,133261 %N A113943 Primes arising in A073946. %K A113943 nonn %O A113943 1,1 %A A113943 _David Garber_, Nov 13 2002