a(n) is the smallest prime containing all the distinct digits occurring in the first n positive integers.

A068836

a(n) is the smallest prime containing all the distinct digits occurring in the first n positive integers.

Terms

    a(0) =11a(1) =211a(2) =1123a(3) =1423a(4) =112543a(5) =1124653a(6) =1234657a(7) =112345687a(8) =1123465789a(9) =10123457689a(10) =10123457689a(11) =10123457689a(12) =10123457689a(13) =10123457689a(14) =10123457689a(15) =10123457689a(16) =10123457689a(17) =10123457689a(18) =10123457689

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