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A099083
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Numbers n such that 1.2. ... .n-1.n - 2 is prime (where dot between numbers means concatenation).
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3
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OFFSET
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1,1
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COMMENTS
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Each term is odd and next term is greater than 2200.
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LINKS
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EXAMPLE
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31 is in the sequence because 12345678910111213141516171819202122232425262728293031 - 2 is prime.
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CROSSREFS
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KEYWORD
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base,more,nonn
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AUTHOR
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STATUS
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approved
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