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 A191841 #6 Mar 30 2012 18:57:33
%S A191841 0,1,2,3,4,5,6,7,8,9,11,13,14,15,17,18,19,21,23,24,25,28,29,30,32,34,
%T A191841 37,39,40,41,45,47,49,51,53,55,60,63,65,66,67,73,76,79,83,85,87,89,97,
%U A191841 102,105,107,108,109,118,123,128,134,138,140,142,144,157
%N A191841 Ordered sequence of nonnegative differences c*f-d*f where f and g are positive Fibonacci numbers (A000045) and {c,d}={1,2}.
%t A191841 (See A191838.)
%Y A191841 Cf. A191838, A191839, A191840.
%K A191841 nonn
%O A191841 1,3
%A A191841 _Clark Kimberling_, Jun 17 2011