Primes with eleven embedded primes.

Terms

a(0) =111317a(1) =113177a(2) =113537a(3) =113719a(4) =113731a(5) =117193a(6) =117331a(7) =121379a(8) =123733a(9) =129719a(10) =131797a(11) =132173a(12) =132971a(13) =136733a(14) =136739a(15) =137197a(16) =137321a(17) =137339a(18) =137353a(19) =137359a(20) =137393a(21) =137573a(22) =152311a(23) =172313a(24) =173137a(25) =173359a(26) =174311a(27) =193373a(28) =211319a(29) =213799