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A172386
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The prime which gives n primes as quickly as possible by concatenation of numbers incremented in sequence.
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0
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OFFSET
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1,1
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COMMENTS
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This is analogous to A172257, with increments in place of decrements.
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LINKS
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EXAMPLE
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23 comes from 2, explaining the first term. Until 983, no prime gives primes with concatenation of 5 and 7 numbers.
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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STATUS
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approved
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