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 A178006 #5 Mar 31 2012 10:26:16 %S A178006 7,89,887,8887,88883,888887,9888889,88888883,888888887,9888888887, %T A178006 88988888887,888888888887,9888888888887,88888888888889, %U A178006 888888888888883,8889888888888883,88888888888888889,889888888888888883 %N A178006 Largest n-digit prime with the most digits equal to 8. %C A178006 First maximum the number of 8's, then take the largest one. %Y A178006 Cf. A037069, A105976, A099662, A068692 %K A178006 nonn,base %O A178006 1,1 %A A178006 _Lekraj Beedassy_, May 17 2010