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Search: id:A128365
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| A128365 |
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a(n) = least k such that the remainder when 25^k is divided by k is n. |
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+0
14
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| 2, 23, 11, 7, 10, 19, 57, 17, 14, 15, 614, 13, 34
(list; graph; listen)
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OFFSET
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1,1
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LINKS
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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
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t = Table[0, {10000} ]; k = 1; While[ k < 4000000000, a = PowerMod[25, k, k]; If[a < 10001 && t[[a]] == 0, t[[a]] = k; Print[{a, k}]]; k++ ]; t [From Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 04 2009]
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CROSSREFS
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Cf. A128361, A128362, A128363, A128364, 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: A120713 A104644 A158992 this_sequence A016837 A153654 A153656
Adjacent sequences: A128362 A128363 A128364 this_sequence A128366 A128367 A128368
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KEYWORD
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hard,more,nonn
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AUTHOR
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Alexander Adamchuk (alex(AT)kolmogorov.com), Feb 27 2007
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