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 A117768 #1 Feb 24 2006 03:00:00 %S A117768 4,5,5,5,4,5,5,5,5,4,5,5,5,5,4,5,5,5,4,5,5,5,5,4,5,5,5,5,4,5,5,5,4,5, %T A117768 5,5,5,4,5,5,5,4,5,5,5,5,4,5,5,5,5,4,5,5,5,4,5,5,5,5,4,5,5,5,5,4,5,5, %U A117768 5,4,5,5,5,5,4,5,5,5,5,4,5,5,5,4,5,5,5,5,4,5,5,5,5,4,5,5,5,4,5,5,5,5 %N A117768 Number of Lucas numbers with n digits. %Y A117768 Cf. A000204. Same as A050815 and A098842 but without the first 3 numbers. %K A117768 base,nonn %O A117768 0,1 %A A117768 Luc Stevens (lms022(AT)yahoo.com), Apr 15 2006