Primes with d digits (d>0) which have more than 2d distinct primes as substrings.

Terms

a(0) =23719a(1) =31379a(2) =52379a(3) =113171a(4) =113173a(5) =113797a(6) =123719a(7) =153137a(8) =179719a(9) =199739a(10) =211373a(11) =213173a(12) =229373a(13) =231197a(14) =231379a(15) =233113a(16) =233713a(17) =236779a(18) =237331a(19) =237619a(20) =237971a(21) =241973a(22) =259397a(23) =291373a(24) =313739a(25) =317971a(26) =327193a(27) =337397a(28) =343373a(29) =353173