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 A193293 #15 Jan 14 2014 03:33:52
%S A193293 1,1,1,4,6,1,14,32,18,72,90,13,234,420,372,1536,1598,360,4332,12096,
%T A193293 5908,18000,28658,2496,93062,122148,106920,473760,514230,142848,
%U A193293 1349244,3391488,1782180,5708056,11924808,1555200,24664200,40504200,31758948,209212416
%N A193293 Sum of odd divisors of Fibonacci(n).
%H A193293 Charles R Greathouse IV, <a href="/A193293/b193293.txt">Table of n, a(n) for n = 1..1000</a>
%F A193293 a(n) = A000593(A000045(n)). - _Michel Marcus_, Jan 14 2014
%e A193293 a(9) = 18 because Fibonacci(9) = 34 = 2*17 and the sum of the odd divisors
%e A193293 {1, 17}= 18.
%t A193293 Table[Total[Select[Divisors[Fibonacci[n]], OddQ[ # ]&]], {n, 75}]
%o A193293 (PARI) a(n)=n=fibonacci(n);sigma(n>>valuation(n,2)) \\ _Charles R Greathouse IV_, Jul 31 2011
%Y A193293 Cf. A000045, A193292.
%K A193293 nonn
%O A193293 1,4
%A A193293 _Michel Lagneau_, Jul 21 2011