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 A039693 #5 May 18 2013 16:49:22 %S A039693 2,5,11,23,38,50,56,59,74,86,101,104,122,131,149,164,173,185,200,236, %T A039693 248,254,266,275,281,308,329,344,380,392,425,443,461,479,491,518,527, %U A039693 545,569,617,632,659,770,779,794,803,815,875,884,902,947,965,983,1004 %N A039693 Twin Fibonacci-lucky numbers (lower terms). %Y A039693 Cf. A039673. %K A039693 nonn %O A039693 1,1 %A A039693 _Felice Russo_ %E A039693 Corrected by _R. J. Mathar_, Oct 10 2010