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 A177495 a(n) is the least k such that the remainder when 100^k is divided by k is n. 1
 3, 7, 97, 6, 19, 38, 31, 23, 13, 15, 89, 22, 29, 43, 17, 24, 83, 41, 19003, 580, 79, 42, 1903, 58, 35, 37, 73, 36, 71, 49, 999969, 56, 67, 66, 145, 76, 411, 578, 61, 60, 59, 494, 51, 262, 55, 158, 53, 52, 57, 398, 15673, 69, 1589, 9946, 65, 88, 20940211, 366, 391 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..59. MATHEMATICA t = Table[0, {70}]; k = 1; While[k < 210000000, a = PowerMod[100, k, k]; If[a < 71 && t[[a]] == 0, t[[a]] = k; Print[{a, k}]]; k++ ]; t Table[Module[{k=1}, While[PowerMod[100, k, k]!=n, k++]; k], {n, 60}] (* Harvey P. Dale, Jun 06 2018 *) CROSSREFS Cf. A036236, A078457, A119678, A119679, A127816, A119715, A119714, A127817, A127818, A127819, A127820, A127821, A128154, A128155, A128156, A128157, A128158, A128159, A128160, A128361, A128362, A128363, A128364, A128365, A128366, A128367, A128368, A128369, A128370, A128371, A128372. Cf. A128149, A128150, A128172. Sequence in context: A111002 A042481 A307661 * A088419 A062592 A074349 Adjacent sequences: A177492 A177493 A177494 * A177496 A177497 A177498 KEYWORD nonn AUTHOR Alexander Adamchuk, May 10 2010 STATUS approved

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Last modified September 10 06:17 EDT 2024. Contains 375773 sequences. (Running on oeis4.)