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 A191922 #4 Mar 30 2012 18:57:33 %S A191922 0,1,2,3,4,5,6,7,8,9,10,11,14,15,17,18,20,22,25,26,29,30,32,36,40,43, %T A191922 47,50,51,53,58,65,69,76,80,83,84,86,94,105,112,123,130,134,137,138, %U A191922 140,152,170,181,199,210,217,221,224,225,227,246,275,293,322 %N A191922 Ordered sequence of nonnegative differences 3*f-g, where f and g are Lucas numbers (A000032 beginning at 1). %t A191922 (See A191920.) %Y A191922 Cf. A191920, A191921, A191923. %K A191922 nonn %O A191922 1,3 %A A191922 _Clark Kimberling_, Jun 19 2011