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A068836
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Smallest prime containing all the digits of the concatenation of first n natural numbers.
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0
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11, 211, 1123, 2143, 112543, 1124653, 1234657, 112345687, 1123465789, 10123457689, 10123457689, 10123457689, 10123457689, 10123457689, 10123457689, 10123457689, 10123457689, 10123457689, 10123457689
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| a(n)=10123457689 for n>=10.
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EXAMPLE
| a(3) = 1123 which is the smallest prime that contains digits 1,2 and 3. a(4) = 2143.
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CROSSREFS
| Sequence in context: A167442 A124991 A176009 * A069628 A069613 A075858
Adjacent sequences: A068833 A068834 A068835 * A068837 A068838 A068839
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KEYWORD
| nonn,less,base
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Mar 09 2002
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EXTENSIONS
| More terms from Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Mar 27 2002
Edited by Charles R Greathouse IV (charles.greathouse(AT)case.edu), Apr 28 2010
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