The largest prime factor among all composites <= 10^n.

A136023

The largest prime factor among all composites <= 10^n.

Terms

    a(0) =5a(1) =47a(2) =499a(3) =4999a(4) =49999a(5) =499979a(6) =4999999a(7) =49999991a(8) =499999993a(9) =4999999937a(10) =49999999967a(11) =499999999979

External references