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 A260622 #30 Aug 09 2022 07:07:50 %S A260622 1,1,3,12,72,744,10416,270816,9906624,614210688,55278961920, %T A260622 8354817757440,1955027355240960,766650012876633600, %U A260622 478623425047744204800,492420437498707277414400,786887859122934229308211200,2148247421904894243053912064000 %N A260622 a(n) is the sum of the positive divisors of A003266(n). %H A260622 Amiram Eldar, <a href="/A260622/b260622.txt">Table of n, a(n) for n = 1..98</a> %F A260622 a(n) = A000203(A003266(n)). %t A260622 a[n_] := DivisorSigma[1, Fibonorial[n]]; Array[a, 18] (* _Amiram Eldar_, Aug 09 2022 *) %o A260622 (PARI) a(n) = sigma(prod(k=1, n, fibonacci(k))); %Y A260622 Cf. A000203, A003266, A272122. %K A260622 nonn %O A260622 1,3 %A A260622 _Altug Alkan_, Apr 30 2016