User blog comment:O.murphy.b.123/Béktelsson's Exponential Triangle Sequence/@comment-30754445-20170607231822

I like the idea, but why so large a font? It's distracting.

Anyway, Foursuuri is a pretty neat number:

Foursuuri = BExTr[4] = 36 10 15  ≈ 1010 2.0470298×10 778,151,250,383,643

Love it.