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 A154882 #9 Mar 17 2022 02:48:44 %S A154882 2,4,12,120,7560,8648640,1927522396800,4747472432036420486400, %T A154882 128438082648984172330026178330296384000, %U A154882 6184173455628205993842062057864303743050691444602955105860128640000 %N A154882 a(n) is the smallest number with at least as many divisors as a(n-1)^2. %F A154882 a(n) = A061799(A048691(a(n-1))). - _R. J. Mathar_, Jan 21 2009 %e A154882 4^2 = 16 has 5 divisors; the smallest number with at least 5 divisors is 12. %K A154882 nonn %O A154882 1,1 %A A154882 _J. Lowell_, Jan 16 2009 %E A154882 a(6)-a(10) from _Donovan Johnson_, May 09 2009