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Search: id:A128366
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A128366 a(n) = least k such that the remainder when 26^k is divided by k is n. +0
14
5, 3, 23, 6, 7, 10, 19, 9, 17, 18, 15, 92, 18881, 319, 36091, 20, 203, 94, 49, 21, 42395, 42, 17553, 326, 106709, 27, 2062919, 36, 14099, 34, 35, 46, 850984699, 214, 5847, 44, 341, 58, 377, 106, 105, 634, 301265879, 158, 93107, 90, 759, 176, 187, 69, 685, 78 (list; graph; listen)
OFFSET

1,1

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

MATHEMATICA

t = Table[0, {10000}]; k = 1; lst = {}; While[k < 1200000000, a = PowerMod[26, k, k]; If[a < 10001 && t[[a]] == 0, t[[a]] = k; Print[{a, k}]; If[a + 1 == k, AppendTo[lst, a]; Print@lst]]; k++ ]; lst [From Robert G. Wilson v (rgwv(AT)rgwv.com), Jun 30 2009]

CROSSREFS

Cf. A128361, A128362, A128363, A128364, A128365, A128367, A128368, A128369, A129370, A128371, A128372. Cf. A036236, A078457, A119678, A119679, A127816, A119715, A119714, A127817, A127818, A127819, A127820, A127821, A128154, A128155, A128156, A128157, A128158, A128159, A128160. Cf. A128149, A128150, A128172.

Sequence in context: A091593 A139699 A069607 this_sequence A083756 A146317 A032532

Adjacent sequences: A128363 A128364 A128365 this_sequence A128367 A128368 A128369

KEYWORD

hard,nonn

AUTHOR

Alexander Adamchuk (alex(AT)kolmogorov.com), Feb 27 2007

EXTENSIONS

a(27) - a(52) from Robert G. Wilson v (rgwv(AT)rgwv.com), Jun 30 2009

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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