Why this digit order?

Originally posted by Great King Rat
I'm not sure what you mean by that. Anyway, here's the easy version:


t, t, f, s, e, t, s, n, t, t, t, t, f, f, f, f, f, s, s, s, s, s, e, e, n

Now solve it already, for crying out loud. It's not rocket science.

Originally posted by crazyblue
primes? primes!

That is in fact "it".