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 A216562 #12 May 02 2013 13:11:47 %S A216562 0,4,5,11,13,16,17,37,41,47,53,61,71,113,313,353,503,613,617,863,1097, %T A216562 1361,4787,4793,7741,10691,12251,14449,19469,35449,36779,44507,51169, %U A216562 56003,81671,89849,94823,140057,148091,159521,183089,193201,202667,344293,387433,443609,532277,616787,631181,637751,651821,692147 %N A216562 Numbers n such that the n-th Lucas number is prime and can be written in the form a^2 + 2*b^2. %H A216562 Blair Kelly, <a href="http://mersennus.net/fibonacci">Factorizations of Fibonacci and Lucas numbers</a> %Y A216562 Cf. A000032, A001606. %K A216562 nonn %O A216562 1,2 %A A216562 _V. Raman_, Sep 08 2012