erdős #27
An -almost covering system is a set of congruences for distinct moduli such that the density of those integers which satisfy none of them is . Is there a constant such that for every and there is an -almost covering system with ?
Worked, still open.
number theory · solved · prize $100 · 0 attempts
use this record
vela registry pull vfr_37aec80d874a0239vela reproduce examples/erdos-problems