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 A168041 #13 Jul 08 2016 06:33:34 %S A168041 1,5,144,46368,75025,14930352,4807526976,1548008755920, %T A168041 498454011879264,51680708854858323072,16641027750620563662096, %U A168041 5358359254990966640871840,59425114757512643212875125,555565404224292694404015791808 %N A168041 Fibonacci numbers that are divisible by their index. %H A168041 G. C. Greubel, <a href="/A168041/b168041.txt">Table of n, a(n) for n = 1..100</a> %F A168041 a(n) = A000045(A023172(n)). %t A168041 f[n_]:=Fibonacci[n]/n; lst={};Do[If[IntegerQ[f[n]],AppendTo[lst,Fibonacci[n]]],{n,4*5!}];lst %Y A168041 Cf. A000045, A023172, A167745. %K A168041 nonn %O A168041 1,2 %A A168041 _Vladimir Joseph Stephan Orlovsky_, Nov 17 2009