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 A062549 #4 Apr 01 2023 23:25:46 %S A062549 1,2,4,5,17,11,23,2957,23117,204557,2018957,37313,296797,39229,622561, %T A062549 1832213,87616043,2462521469,17209100320681,5207129,2558906768309, %U A062549 135954526571,85412472868721,3075880875779 %N A062549 a(n) is the smallest number m such that m! is divisible by the left factorial !n (A003422). %C A062549 Conjecture: a(n) is the largest prime factor of !n for all n > 2. - _Sean A. Irvine_, Apr 01 2023 %e A062549 !4 = 1+1+2+6+24 = 34. The smallest value of n such that n! is divisible by 34 is 17!, so a(4)=17 %K A062549 nonn %O A062549 0,2 %A A062549 Jonathan Ayres (jonathan.ayres(AT)btinternet.com), Nov 22 2001