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 A339595 #5 Jan 02 2021 11:54:11 %S A339595 0,8,27,32,125,27,343,56,108,125,1331,39,2197 %N A339595 Three-dimensional Kempner (or Kempner-Smarandache) numbers. %H A339595 Norbert Hungerbühler, Ernst Specker, <a href="http://www.emis.de/journals/INTEGERS/papers/g23/g23.Abstract.html">A generalization of the Smarandache Function to several variables</a>, INTEGERS 6 (2006) #A23 %Y A339595 Cf. A002034, A339594, A339596. %K A339595 nonn,more %O A339595 1,2 %A A339595 _N. J. A. Sloane_, Jan 02 2021