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A100028 Values of n for which the decimal number 10...030...01 is an n-digit prime. +0
7
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)
OFFSET

1,1

EXAMPLE

The corresponding primes are 131, 10301, 1003001, 100030001, 10000000000300000000001, etc.

CROSSREFS

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

KEYWORD

nonn,base

AUTHOR

Harvey Dubner (harvey(AT)dubner.com), Nov 20 2004

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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