Canyon primes.

Terms

a(0) =101a(1) =313a(2) =727a(3) =757a(4) =919a(5) =929a(6) =3023a(7) =3203a(8) =7027a(9) =7057a(10) =7127a(11) =7207a(12) =7237a(13) =7247a(14) =7307a(15) =7417a(16) =7457a(17) =7507a(18) =7517a(19) =7537a(20) =7547a(21) =7607a(22) =9029a(23) =9049a(24) =9059a(25) =9109a(26) =9209a(27) =9239a(28) =9319a(29) =9349