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 A039695 #5 May 18 2013 16:49:22 %S A039695 3,6,12,24,39,51,57,60,75,87,102,105,123,132,150,165,174,186,201,237, %T A039695 249,255,267,276,282,309,330,345,381,393,426,444,462,480,492,519,528, %U A039695 546,570,618,633,660,771,780,795,804,816,876,885,903,948,966,984,1005 %N A039695 Twin Fibonacci-lucky numbers (middle terms). %C A039695 See A039672 for definition. %F A039695 a(n) = A039693(n)+1 = A039694(n)-1. [From _R. J. Mathar_, Oct 10 2010] %Y A039695 A039673. %K A039695 nonn %O A039695 1,1 %A A039695 _Felice Russo_ %E A039695 Corrected by _R. J. Mathar_, Oct 10 2010