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 A280116 #12 Aug 05 2025 18:05:18
%S A280116 1,3,6,22,27,243,250,1274,1355,2355,2366,2988350,2988363,2991107,
%T A280116 2994482,4043058,4043075,38055299,38055318,102055318,102064579,
%U A280116 102075227,102075250,63403483040626,63403483041251,63403483058827,63403483117876,63403965008180
%N A280116 Partial sums of A266265 (Product_{d|n} pod(d)).
%C A280116 pod(n) is the product of the divisors of n (A007955).
%F A280116 a(n) = Sum_{i=1..n} A266265(i).
%t A280116 Accumulate@ Array[Product[Times @@ Divisors@ d, {d, Divisors@ #}] &, 28] (* _Michael De Vlieger_, Dec 26 2016 *)
%o A280116 (Magma) [&+[&*[&*[b: b in Divisors(d)]: d in Divisors(k)]: k in [1..n]]: n in [1..1000]];
%Y A280116 Cf. A007955, A175317, A266265, A280114 (partial sums of A175317), A280117 (partial products of A266265).
%K A280116 nonn
%O A280116 1,2
%A A280116 _Jaroslav Krizek_, Dec 26 2016