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A128157
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a(n) = least k such that the remainder when 17^k is divided by k is n.
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26
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2, 3, 7, 13, 142, 11, 25, 9, 10, 299, 57, 203, 46, 69, 274, 613024059983, 19, 7099195, 30, 21, 134, 24065, 38, 133, 28, 27, 205, 155591, 33, 20452755522967, 49, 165, 35, 391, 99, 94271801, 198, 39, 70, 23353, 62, 2759, 55, 1623, 122, 22649, 665, 1591398755
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| Robert G. Wilson v, Table of n, a(n) for n = 1..10000 with -1 for large entries where a(n) has not yet been found
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MATHEMATICA
| t = Table[0, {10000} ]; k = 1; While[ k < 4500000000, a = PowerMod[17, k, k]; If[a < 10001 && t[[a]] == 0, t[[a]] = k; Print[{a, k}]]; k++ ]; t
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CROSSREFS
| Cf. A036236, A078457, A119678, A119679, A127816, A119715, A119714, A127817, A127818, A127819, A127820, A127821, A128154, A128155, A128156, A128158, A128159, A128160, A128149, A128150.
Sequence in context: A192611 A048463 A006695 * A073827 A081940 A082270
Adjacent sequences: A128154 A128155 A128156 * A128158 A128159 A128160
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KEYWORD
| hard,nonn
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AUTHOR
| Alexander Adamchuk (alex(AT)kolmogorov.com), Feb 16 2007
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EXTENSIONS
| More terms from Hagen von Eitzen (math(AT)von-eitzen.de), Jul 31 2009
a(338) = 7615772967 = 3 * 11 * 230780999 [From Daniel Morel (bazehu(AT)club-internet.fr), May 18 2010]
a(100) = 36706228199, a(154) = 10618746241, a(444) = 10700153359, a(616) = 7969009427, a(720) = 11004291191, a(984) = 11601377453 [From Daniel Morel (bazehu(AT)club-internet.fr), Jun 15 2010]
a(184) = 16808380397, a(508) = 34412778035 [From Daniel Morel (bazehu(AT)club-internet.fr), Nov 05 2010]
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