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Search: id:A068160
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| A068160 |
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Smallest prime beginning and ending in n 1's. |
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+0
4
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| 101, 11311, 1114111, 111181111, 111110611111, 1111118111111, 111111151111111, 111111110911111111, 11111111128111111111, 111111111161111111111, 111111111110911111111111, 11111111111104111111111111
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OFFSET
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1,1
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EXAMPLE
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a(2) =11311 is a prime that starts with 11 and ends in 11, (two 1's).
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CROSSREFS
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Sequence in context: A083981 A138148 A138831 this_sequence A156669 A082435 A136098
Adjacent sequences: A068157 A068158 A068159 this_sequence A068161 A068162 A068163
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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), Feb 24 2002
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EXTENSIONS
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Corrected and extended by Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Jan 03 2003
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