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A090311
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Concatenation of two distinct primes p and q, p < q.
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2
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23, 25, 35, 27, 37, 57, 211, 311, 511, 711, 213, 313, 513, 713, 1113, 217, 317, 517, 717, 1117, 1317, 219, 319, 519, 719, 1119, 1319, 1719
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OFFSET
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1,1
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COMMENTS
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Next n numbers end in prime(n+1).
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LINKS
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MATHEMATICA
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FromDigits[Flatten[IntegerDigits/@#]]&/@Flatten[Table[Join[{Prime[c]}, {Prime[ n]}], {n, 10}, {c, n-1}], 1](* Harvey P. Dale, Nov 27 2019 *)
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CROSSREFS
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KEYWORD
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base,easy,nonn
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AUTHOR
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STATUS
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approved
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