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A152274
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Number of 2's among the digits of all n-digit primes.
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9
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1, 2, 29, 359, 3515, 35666, 361054, 3647203, 36746382, 369719841, 3715552230, 37310055810, 374416981198, 3755522785108
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OFFSET
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1,2
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LINKS
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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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EXTENSIONS
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STATUS
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approved
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