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Search: id:A113936
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| A113936 |
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a(n) = k-th prime, where k = n-th Mersenne prime = A000043(n). |
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+0
1
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| 5, 17, 127, 709, 84011, 1742527, 7754017, 50685770143
(list; graph; listen)
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OFFSET
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1,1
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MATHEMATICA
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Prime[2^{2, 3, 5, 7, 13, 17, 19, 31} - 1] (* Robert G. Wilson v *)
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PROGRAM
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(PARI) prime(2^13-1) prime(2^7-1) prime(2^5-1) prime(2^3-1) prime(2^2-1)
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CROSSREFS
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Cf. A000043, A000668.
Sequence in context: A009240 A012174 A012259 this_sequence A012263 A076448 A096310
Adjacent sequences: A113933 A113934 A113935 this_sequence A113937 A113938 A113939
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KEYWORD
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hard,nonn
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AUTHOR
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Jorge Coveiro (jorgecoveiro(AT)yahoo.com), Jan 31 2006
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EXTENSIONS
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a(6)-a(8) from Robert G. Wilson v (rgwv(at)rgwv.com) and Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Jan 31 2006
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