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 A032323 #9 Mar 30 2012 17:37:05 %S A032323 4,12,120,1440,24480,482400,11793600,329011200,10567065600, %T A032323 380131315200,15220275840000,669519696384000,32145251314176000, %U A032323 1671451069736448000,93606882905023488000,5616332944630087680000 %N A032323 Number of aperiodic necklaces with n labeled beads of 4 colors. %H A032323 C. G. Bower, <a href="/transforms2.html">Transforms (2)</a> %H A032323 <a href="/index/Lu#Lyndon">Index entries for sequences related to Lyndon words</a> %F A032323 "CHJ" (necklace, identity, labeled) transform of 4, 0, 0, 0... %F A032323 Equals n! * A027377(n). %K A032323 nonn %O A032323 1,1 %A A032323 _Christian G. Bower_