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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 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 *) lk[n_] := Module[{k = 1}, While[PowerMod[24, k, k] != n, k++]; k]; Array[ lk, 48] (* Harvey P. Dale, Jan 18 2019 *) 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: A040509 A319046 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 December 10 02:09 EST 2022. Contains 358712 sequences. (Running on oeis4.)