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A152276
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Number of 4's among the digits of all n-digit primes.
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9
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0, 3, 31, 326, 3412, 35234, 358468, 3625027, 36582450, 368381208, 3704525518, 37218251329, 373639701352, 3748854986738
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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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