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 A205874 #8 Mar 30 2012 18:58:12 %S A205874 18,54,81,225,144,369,288,144,576,1584,2583,2529,4176,5778,10944, %T A205874 17703,17622,17478,17334,28656,28602,26073,46224,75024,74970,72441, %U A205874 46368,121392,121338,118809,92736,46368,196416,185472,317808,317790 %N A205874 s(k)-s(j), where the pairs (k,j) are given by A205872 and A205873, and s(k) denotes the (k+1)-st Fibonacci number. %C A205874 For a guide to related sequences, see A205840. %e A205874 (See the example at A205872.) %t A205874 (See the program at A205872.) %Y A205874 Cf. A204890, A205872, A205840. %K A205874 nonn %O A205874 1,1 %A A205874 _Clark Kimberling_, Feb 02 2012