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A105458
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Number of irregular primes less than 3^n.
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2
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0, 0, 0, 3, 9, 48, 131, 334, 880, 2355, 6341, 17157, 47620, 132015, 366790, 1025835, 2884928, 8143498
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refs;
listen;
history;
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internal format)
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OFFSET
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1,4
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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, # < 3^n &]], {n, 14}]
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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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STATUS
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approved
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