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 A195374 #17 Mar 17 2019 21:12:33 %S A195374 27,3375,2775577757352755375573357273 %N A195374 Perfect cubes in which each digit is a prime number. %C A195374 Checked up to 13049558804547^3. %H A195374 Shyam Sunder Gupta, <a href="http://www.shyamsundergupta.com/canyoufind.htm">Can You Find (CYF)</a> %Y A195374 Subsequence of A074100. - _R. J. Mathar_, Sep 20 2011 %K A195374 nonn,base,more,bref %O A195374 1,1 %A A195374 _Kausthub Gudipati_, Sep 17 2011