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%I #13 Sep 01 2019 10:54:41
%S 3,1,4,7,8,12,39,30,48,140,168,200,576,522,1128,2688,2208,3572,12960,
%T 9350,17296,44520,54208,64680,158976,186048,361928,809200,826728,
%U 1169400,4131036,3010350,4876416,13862800,17256768,23639040,59720832,54018522,116538408,251395200,233917632,370248452,1319232096
%N Sum of positive divisors of A000032(n).
%H Amiram Eldar, <a href="/A272439/b272439.txt">Table of n, a(n) for n = 0..1000</a> (using Blair Kelly's data)
%H Blair Kelly, <a href="http://mersennus.net/fibonacci//">Fibonacci and Lucas Factorizations</a>
%F a(n) = A000203(A000032(n)).
%e a(2) = 4 because A000032(2) = 3 and A000203(3) = 4.
%t DivisorSigma[1, LucasL@ Range[0, 42]] (* _Michael De Vlieger_, Apr 29 2016 *)
%o (PARI) a(n) = sigma(fibonacci(n-1) + fibonacci(n+1));
%Y Cf. A000032, A000203.
%K nonn
%O 0,1
%A _Altug Alkan_, Apr 29 2016
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