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 A062797 #6 Sep 04 2017 23:23:48
%S A062797 2,8,32,218,2312,30068,510512,9699908,223092902,6469695548,
%T A062797 200560490132,7420738165088,304250263527212,13082761332180548,
%U A062797 614889782588493752,32589158477199744638,1922760350154212639072
%N A062797 Inverse Moebius transform of f(x) = primorial(x) = A002110(x).
%F A062797 a(n) = Sum_{d|n} q(d), where q(x) = A002110(x).
%e A062797 n=6: divisors = {1,2,3,6}; 2 + 2*3 + 2*3*5 + 2*3*5*7*11*13 = 2 + 6 + 30 + 30030 = 30068.
%Y A062797 Cf. A002110.
%K A062797 nonn
%O A062797 0,1
%A A062797 _Labos Elemer_, Jul 19 2001