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A071062
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Minimal set of prime-strings in base 10.
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15
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2, 3, 5, 7, 11, 19, 41, 61, 89, 409, 449, 499, 881, 991, 6469, 6949, 9001, 9049, 9649, 9949, 60649, 666649, 946669, 60000049, 66000049, 66600049
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| Any prime number contains in its digits at least one of the term of this sequence and there is no smaller set. There are 26 terms in the sequence.
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REFERENCES
| J.-P. Delahaye, "Pour la science", (French edition of Scientific American), Juin 2002, p. 99.
J. Shallit, Minimal primes, J. Recreational Mathematics, vol. 30.2, pp. 113-117, 1999-2000.
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LINKS
| C. K. Caldwell, The Prime Glossary, minimal prime
J. Shallit, Minimal primes, J. Recreational Mathematics, vol. 30.2, pp. 113-117, 1999-2000.
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CROSSREFS
| Cf. A071070, A071071, A071072, A071073.
Sequence in context: A092728 A089769 A033274 * A002231 A087769 A084736
Adjacent sequences: A071059 A071060 A071061 * A071063 A071064 A071065
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KEYWORD
| fini,full,nice,nonn,base
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AUTHOR
| Benoit Cloitre (benoit7848c(AT)orange.fr), May 26 2002
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EXTENSIONS
| Typo corrected by T. D. Noe (noe(AT)sspectra.com), Nov 15 2006
Typo corrected by Walter A. Kehowski (wkehowski(AT)cox.net), Feb 22 2007
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