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Search: id:A088039
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| A088039 |
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Smallest k such that k^3 == 1 (mod some n-th power), k > 1. |
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+0
2
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| 2, 4, 9, 17, 33, 65, 129, 257, 513, 1025, 2049, 4097, 8193, 16385, 32769, 65537, 131073, 262145, 524289, 1048577, 2097153, 4194305, 8388609, 16777217, 33554433, 67108865, 134217729, 268435457, 536870913, 1073741825, 2147483649
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OFFSET
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1,1
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COMMENT
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In most of the cases the n-th power that divides a(n)^3 is 2^n.
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FORMULA
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a(n) = A088038(n)^(1/3).
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CROSSREFS
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Cf. A088038.
Cf. A020737. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 11 2008]
Sequence in context: A136379 A065026 A007502 this_sequence A115451 A077931 A136326
Adjacent sequences: A088036 A088037 A088038 this_sequence A088040 A088041 A088042
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KEYWORD
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nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Sep 19 2003
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EXTENSIONS
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Corrected and extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Oct 04 2003
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