User blog comment:Mango523WNR/February 14 New Discovery/@comment-30279966-20200214131404

I would say that fω^ω(523) only "approximately" (in googological sense) equals to {523,523 (1) 2}. So, fω^ω(523) ≈ {523,523 (1) 2}. Also, the correct MathJax expression would be \(\text{Vista}(2,1)=523^{523} \& 523=f_{\omega^{\omega}}(523)\).