User blog comment:LittlePeng9/First order oodle theory/@comment-6768393-20141103005710

FOOT(10^100)>Rayo(10^100) or only FOOT(FOOT(10^100))>Rayo(10^100)? Because in blog post written: "With just one application of the function we can get to Rayo number...And then we just make 8 more applications" Why 8? not 9? May be the case in my bad English? :-)