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 A214794 #8 Aug 06 2012 15:18:41 %S A214794 7,13,23,28,37,43,67,73,83,127,137,167,173,193,223,227,257,277,283, %T A214794 293,313,317,367,383,397,433,443,463,487,523,587,613,617,647,673,683, %U A214794 727,733,757,773,787,827 %N A214794 Numbers n such that n-5=A214793(n). %C A214794 It is still a conjecture that 28 is the only nonprime in this sequence. %Y A214794 Cf. A214793 %K A214794 nonn %O A214794 1,1 %A A214794 _Art DuPre_, Aug 03 2012