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 A023102 #5 Mar 30 2012 18:35:18 %S A023102 1440,255486,34640,40495,4480,68200,352,9690,508,89965817,40,12866, %T A023102 430782,467774,392360,950,1170,35235,39172,40600,44800,93,51424,96074, %U A023102 1507118,1820,1876,3367,159562,4144647,97840,3801028,56,332820,2640,3605 %N A023102 a(n) is least k such that k and 10k are anagrams in base n (written in base 10). %K A023102 nonn,base %O A023102 11,1 %A A023102 _David W. Wilson_