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 A085821 #4 Mar 30 2012 17:26:09 %S A085821 101,103,107,109,211,113,317,419,421,223,127,229,131,233,137,139,241, %T A085821 443,347,149,151,353,157,359,461,163,167,269,271,173,277,179,181,283, %U A085821 487,389,191,193,197,199 %N A085821 Smallest prime > A085820(n) ending with A085820(n). %Y A085821 Cf. A085820. %K A085821 full,nonn,fini,base %O A085821 1,1 %A A085821 _Zak Seidov_, Jul 04 2003