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 A023098 #5 Mar 30 2012 18:35:18 %S A023098 384,33558,744,1386,1878,28611,24,5070,378,6885,7760,161432,792,57, %T A023098 26400,410046,16610,13984,840,17745,104,26271,1252776,2262,29952, %U A023098 1467912,39936,165,208080,1302,181800,4587297,5168,64272,48,433698,92400,5031,2376 %N A023098 a(n) is least k such that k and 6k are anagrams in base n (written in base 10). %K A023098 nonn,base %O A023098 7,1 %A A023098 _David W. Wilson_