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A104949
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Primes from merging of 6 successive digits in decimal expansion of the Champernowne Constant.
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2
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789101, 728293, 869707, 889909, 102103, 108109, 911011, 101111, 111121, 111211, 711811, 120121, 201211, 231241, 251261, 126127, 261271, 281291, 913013, 113213, 321331, 351361, 138139, 401411, 411421, 431441, 471481, 491501, 150151, 501511
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OFFSET
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1,1
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COMMENTS
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Initial zeros are not permitted, i.e., the resulting primes must be six digits in length. - Harvey P. Dale, Jul 18 2011
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LINKS
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Vincenzo Librandi, Table of n, a(n) for n = 1..1000
The first 2,800 digits of the Champernowne Constant as calculated at WorldWideSchool.org.
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MATHEMATICA
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Select[Select[FromDigits/@Partition[Flatten[IntegerDigits/@Range[500]], 6, 1], PrimeQ], IntegerLength[#]==6&] (* Harvey P. Dale, Jul 18 2011 *)
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CROSSREFS
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Cf. A007376, A033307.
Sequence in context: A175747 A355707 A115175 * A237895 A187295 A234244
Adjacent sequences: A104946 A104947 A104948 * A104950 A104951 A104952
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KEYWORD
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nonn,base
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AUTHOR
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Andrew G. West (WestA(AT)wlu.edu), Mar 29 2005
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STATUS
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approved
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