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Search: id:A100028
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| A100028 |
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Values of n for which the decimal number 10...030...01 is an n-digit prime. |
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+0 7
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| 3, 5, 7, 9, 23, 29, 33, 185, 267, 307, 757, 897, 1571, 2977, 3831, 4595, 6573, 9511, 11651, 15641, 68885, 69883
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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The corresponding primes are 131, 10301, 1003001, 100030001, 10000000000300000000001, etc.
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CROSSREFS
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Cf. A100026, A100027, A100456, A100457, A100458, A100459.
Sequence in context: A101813 A134719 A099995 this_sequence A053681 A135773 A131668
Adjacent sequences: A100025 A100026 A100027 this_sequence A100029 A100030 A100031
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KEYWORD
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nonn,base
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AUTHOR
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Harvey Dubner (harvey(AT)dubner.com), Nov 20 2004
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