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 A186307 #5 Mar 31 2012 10:22:17 %S A186307 2,3,5,7,11,13,17,31,61,73,181,241,421,757,1009,1321,1801,2161 %N A186307 Prime degrees of polynomials where records occur in A186277. %Y A186307 Cf. A186277, A186306. %K A186307 nonn %O A186307 1,1 %A A186307 _Artur Jasinski_, Feb 17 2011