User blog comment:Wythagoras/All my stuff/@comment-7484840-20130716082643/@comment-7484840-20130716092535

Yes, it can't refer to the ¥ function, but it could refer to something very similar to the same effect, for example it could be zxcz(n) function (just some random letters), that is the largest number definable in n*2+3 characters of English, and has no condition about referring to itself.