a(n) is the largest prime before A002278(n).
A099664
a(n) is the largest prime before A002278(n).
Terms
- a(0) =3a(1) =43a(2) =443a(3) =4441a(4) =44417a(5) =444443a(6) =4444409a(7) =44444399a(8) =444444443a(9) =4444444429a(10) =44444444441a(11) =444444444443
External references
- oeis: A099664