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 A191845 #9 Aug 31 2013 16:31:09 %S A191845 0,1,2,3,4,5,6,7,8,10,11,12,13,14,15,16,18,19,21,22,23,25,26,28,29,31, %T A191845 34,36,37,38,40,42,46,47,49,50,52,55,58,60,61,62,65,68,74,76,80,81,83, %U A191845 86,89,94,97,99,100,101,105,110,120,123,129,131,135,138 %N A191845 Ordered nonnegative differences c*f-d*g, where f and g are positive Fibonacci numbers, and {c,d}={1,3}. %t A191845 (See A191842.) %Y A191845 Cf. A191842, A191843, A191844. %K A191845 nonn %O A191845 1,3 %A A191845 _Clark Kimberling_, Jun 17 2011