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 A023096 #6 Mar 30 2012 18:35:18 %S A023096 144,1360,76,532,16,1782,190,220,244,39,9408,260,672,833,24,30324,560, %T A023096 1183,880,115,744,539625,2574,40977,168,3857,3310,4433,63424,77, %U A023096 158542,2940,2412,3848,304,7111,6402200,9758,8834,387,710160,4635,13984,120978 %N A023096 Least k such that k and 4k are anagrams in base n (written in base 10). %K A023096 nonn,base %O A023096 5,1 %A A023096 _David W. Wilson_