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 A355189 #10 Jun 25 2022 21:56:44 %S A355189 1,1,1,1,2,4,8,14,32,70,140,324,768,1800,4368,10800,27300,70560, %T A355189 184800,494208,1343680,3704400,10388250,29560960,85250880,249318000, %U A355189 738720000,2216160000,6729074352,20675655000,64245312000,201819656500,640760440320 %N A355189 Factorial splitting: write n! = x*y*z with x <= y <= z and minimal z-x; sequence gives value of x. %C A355189 Apparently we have x < y < z for all n > 9. If so, using strict inequalities x < y < z in the definition would make the sequence undefined for n < 3 and affect only a(9) by switching from 9! = 70*72*72 to 9! = 63*72*80. %H A355189 Max Alekseyev, <a href="/A355189/b355189.txt">Table of n, a(n) for n = 0..100</a> %Y A355189 Cf. A061030, A061031, A061032, A061033, A060776, A060777, A060795, A060796, A200743, A200744, A355190, A355191, A355192. %K A355189 nonn %O A355189 0,5 %A A355189 _Max Alekseyev_, Jun 23 2022