User blog comment:Emlightened/Hypernomials (Γ₀)/@comment-25337554-20160114102411/@comment-27513631-20160114154214

$$'$$ is succession; equivalent to $$+1$$. $$\#$$ is just a symbol with no special meaning, but if you're familiar with ordials, it can be compared to fundamental sequences, or if you're familiar with X-Sequence, it's comparable to {k}.