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A105462
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The 3^n-th irregular prime.
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2
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37, 67, 233, 467, 1307, 4637, 15601, 54437, 184279, 616391, 2009011, 6568151, 21341821, 68826689, 220682383, 704456869
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history;
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OFFSET
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1,1
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LINKS
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Table of n, a(n) for n=1..16.
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MATHEMATICA
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ip={ the list of irregular primes to 12 million }; Table[ ip[[3^n]], {n, 0, 11}]
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CROSSREFS
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Cf. A038833, A105458, A105467.
Sequence in context: A054805 A141163 A063461 * A119381 A138396 A335484
Adjacent sequences: A105459 A105460 A105461 * A105463 A105464 A105465
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KEYWORD
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hard,nonn
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AUTHOR
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Robert G. Wilson v, Apr 07 2005
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EXTENSIONS
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a(12) corrected and a(13)-a(17) added by Amiram Eldar, Mar 05 2019
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STATUS
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approved
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