Right-angled primes.

Terms

a(0) =101a(1) =787a(2) =12343a(3) =34543a(4) =54323a(5) =56543a(6) =654323a(7) =1234543a(8) =7654567a(9) =345676543a(10) =987654323a(11) =32123456789a(12) =34567876543a(13) =654323456789