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 A216452 #8 Sep 07 2012 18:10:57 %S A216452 1,1,2,2,2,2,2,2,4,4,4,4,4,4,4,4,4,4,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, %T A216452 6,6,6,6,6,6,6,6,6,6,6,6,6,8,6,6,6,6,6,6,6,6,6,6,8,8,8,8,8,8,10,8,8,8, %U A216452 10,8,10,8,8,8,10,10,10,12,12,12,12,10,12 %N A216452 The fourth roots of the fourth powers arising in A078164. %Y A216452 Cf. A039770, A039771, A039772, A062732, A078164, A166955. %K A216452 nonn %O A216452 1,3 %A A216452 _V. Raman_, Sep 07 2012