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 A351845 #7 Mar 23 2023 07:35:45
%S A351845 0,8,54,288,6250,187128,1647086,16781440,387421947,40000200200,
%T A351845 570623341222,26748313313184,605750213184506,44448027513059464,
%U A351845 1751575561524963000,18446744078004584960,1654480523772673528354,118039224226088108077848,3956839311320627178247958
%N A351845 a(n) = Sum_{d|n} Sum_{p|n, p prime} n^lcm(d,p).
%H A351845 <a href="/index/Lc#lcm">Index entries for sequences related to lcm's</a>
%e A351845 a(6) = 187128; a(6) = Sum_{d|6} Sum_{p|6, p prime} 6^lcm(d,p) = Sum_{d|6} (6^lcm(d,2) + 6^lcm(d,3)) = (6^lcm(1,2) + 6^lcm(2,2) + 6^lcm(3,2) + 6^lcm(6,2)) + (6^lcm(1,3) + 6^lcm(2,3) + 6^lcm(3,3) + 6^lcm(6,3)) = 187128.
%Y A351845 Cf. A351758, A351844.
%K A351845 nonn
%O A351845 1,2
%A A351845 _Wesley Ivan Hurt_, Feb 21 2022