login
Factorial splitting: write n! = x*y*z with x <= y <= z and minimal z-x; sequence gives value of y.
4

%I #8 Jun 25 2022 21:56:52

%S 1,1,1,2,3,5,9,18,35,72,160,350,770,1848,4455,10920,27648,70720,

%T 185895,496125,1344000,3706560,10395840,29568000,85299200,249356800,

%U 738840960,2216522880,6730407936,20678434920,64253314125,201847852800,640813814784,2055410286592,6658705461408,21780889600000

%N Factorial splitting: write n! = x*y*z with x <= y <= z and minimal z-x; sequence gives value of y.

%H Max Alekseyev, <a href="/A355190/b355190.txt">Table of n, a(n) for n = 0..100</a>

%Y Cf. A061030, A061031, A061032, A061033, A060776, A060777, A060795, A060796, A200743, A200744, A355189, A355191, A355192.

%K nonn

%O 0,4

%A _Max Alekseyev_, Jun 23 2022