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 A205879 #8 Mar 30 2012 18:58:12 %S A205879 10,20,50,110,230,220,610,1220,610,2550,2440,4180,4160,6760,6710, %T A205879 17710,17690,13530,28280,27670,27060,46360,75020,74970,68260,121390, %U A205879 121380,121160,196410,150050,317810,317790,313630,300100,514140 %N A205879 s(k)-s(j), where the pairs (k,j) are given by A205877 and A205878, and s(k) denotes the (k+1)-st Fibonacci number. %C A205879 For a guide to related sequences, see A205840. %e A205879 (See the example at A205877.) %t A205879 (See the program at A205877.) %Y A205879 Cf. A204890, A205877, A205840. %K A205879 nonn %O A205879 1,1 %A A205879 _Clark Kimberling_, Feb 02 2012