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A105457
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Number of irregular primes less than e^n.
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2
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0, 0, 0, 1, 6, 21, 66, 170, 404, 984, 2384, 5877, 14459, 36720, 92657, 234376, 597082, 1525209, 3913689, 10076194, 26016985
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OFFSET
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1,5
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LINKS
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MATHEMATICA
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ip={ the list of irregular primes to 12 million }; Table[ Length[ Select[ip, # < E^n &]], {n, 16}]
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CROSSREFS
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KEYWORD
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hard,nonn,more
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AUTHOR
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EXTENSIONS
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a(16) corrected and a(17)-a(21) added by Amiram Eldar, Mar 05 2019
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STATUS
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approved
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