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A128364 a(n) = least k such that the remainder when 24^k is divided by k is n. 17
23, 11, 7, 5, 19, 10, 17, 142, 15, 566, 13, 78, 5865637, 205, 13809, 20, 589, 39, 35, 278, 129, 554, 459207143, 25, 148731221, 50, 63, 274, 2855, 33, 49, 34, 5429, 542, 5528521301, 42, 2773, 538, 185, 77, 3220589, 66, 90553, 956, 2317, 70, 161, 104 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..48.

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; While[k < 3600000000, a = PowerMod[25, k, k]; If[a < 10001 && t[[a]] == 0, t[[a]] = k; Print[{a, k}]]; k++ ]; t (* Robert G. Wilson v, Jun 29 2009 *)

CROSSREFS

Cf. A128361, A128362, A128363, A128365, A128366, 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: A013491 A040509 A033343 * A281924 A054574 A016837

Adjacent sequences:  A128361 A128362 A128363 * A128365 A128366 A128367

KEYWORD

hard,nonn

AUTHOR

Alexander Adamchuk, Feb 27 2007

EXTENSIONS

a(13) - a(34) from Robert G. Wilson v, Jun 29 2009

STATUS

approved

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Last modified August 19 14:06 EDT 2017. Contains 290808 sequences.