User blog comment:Simplicityaboveall/Extremely Large Numbers 4/@comment-25337554-20160803011316/@comment-25912386-20160805074837

Nayuta Ito ! The  3^3^3th ordinal in base 3 is  w^w^w, which is the same as e_0 ( 3), if the following fundamental sequence is used :

e_0 = w,  w^w, w^w^w , w^w^w^w, etc.

As you can see,  w^w^w  is the 3-rd member. 世話をする