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 A064595 #8 Jul 30 2017 22:42:13 %S A064595 24,112,1984,2520,31320,32512,1163160,2208384,3053232,6535296, %T A064595 13472928,123165600,134201344,186076800,365959296,3456573120, %U A064595 4401782352,5517818880,18924364800,34359476224,325377803520 %N A064595 Nontrivial nonunitary multiply perfect numbers: the sum of the nonunitary divisors of n is a positive multiple of n; i.e., (sigma(n) - usigma(n))/n is a positive integer. %t A064595 nusigma[ n_ ] := DivisorSigma[ 1, n ]-Times@@(1+Power@@#&/@FactorInteger[ n ]); For[ n=1, True, n++, v=nusigma[ n ]; If[ v>0&&Mod[ v, n ]==0, Print[ n ] ] ] %Y A064595 Cf. A048146, A064591, A064592, A064593, A064594, A064596. %K A064595 nonn,hard %O A064595 1,1 %A A064595 _Dean Hickerson_, Sep 25 2001