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Search: id:A114783
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| A114783 |
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Smallest prime of the form: all ones followed by prime(n). a(n) >prime(n). 0 if no such prime exists. |
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+0
5
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| 0, 13, 0, 17, 1111111111111111111, 113, 1117, 11119, 1123, 1129, 131, 137, 11111141, 111143, 11111111111111111111111111111147, 1153, 11159, 11161, 167, 1171, 173, 179, 1111183, 1111189, 197, 11111101, 1103, 11111111111111107, 1109
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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Prime(n) is all zeros followed by prime(n).This is all ones followed by prime(n). Conjecture: No term is zero except a(1) = a(3) = 0.
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EXAMPLE
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a(7) = 1117, as 117 is composite prime(8) = 17.
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CROSSREFS
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Cf. A114784.
Adjacent sequences: A114780 A114781 A114782 this_sequence A114784 A114785 A114786
Sequence in context: A073867 A114782 A065112 this_sequence A094902 A096069 A010227
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KEYWORD
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base,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 17 2005
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EXTENSIONS
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More terms from Joshua Zucker (joshua.zucker(AT)stanfordalumni.org), May 06 2006
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