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 A046940 #10 Jan 08 2013 04:54:26 %S A046940 2,8,14,20,50,82,114,164 %N A046940 "Magic numbers" for the number of protons in nucleus. %D A046940 McGraw-Hill Encyclopedia of Science and Technology %Y A046940 Cf. A046939, A018226. %K A046940 nonn %O A046940 1,1 %A A046940 _Jud McCranie_