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 A141422 #2 Mar 30 2012 17:25:51 %S A141422 1,3,8,17,31,64,122,136,199,270,411,817,1234,1649,2484,3321,4981,7480, %T A141422 9993 %N A141422 Positions of highly powerful numbers in the EKG sequence. %e A141422 10368 is a highly powerful number located at position 9993 in the EKG sequence. %Y A141422 Cf. A005934, A064413. %K A141422 nonn %O A141422 1,2 %A A141422 _Parthasarathy Nambi_, Aug 05 2008