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 A216564 #12 May 02 2013 13:10:54 %S A216564 7,19,31,79,5851,8467,13963,574219 %N A216564 Numbers n such that the n-th Lucas number is prime, but cannot be written in the form a^2 + 2*b^2. %H A216564 Blair Kelly, <a href="http://mersennus.net/fibonacci">Factorizations of Fibonacci and Lucas numbers</a> %Y A216564 Cf. A000032, A001606. %K A216564 nonn %O A216564 1,1 %A A216564 _V. Raman_, Sep 08 2012