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A128124
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Numbers n such that 2^n == 12 (mod n).
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5
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1, 2, 4, 5, 3763, 125714, 167716, 1803962, 2895548, 4031785, 36226466, 16207566916, 103742264732, 29000474325364
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OFFSET
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1,2
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COMMENTS
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Some larger terms: 219291270961199, 5816826177630619
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LINKS
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Table of n, a(n) for n=1..14.
Joe K. Crump, 2^n mod n
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CROSSREFS
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Cf. A015910, A036236, A050259 = numbers n such that 2^n == 3 (mod n), A033981, A051447, A033982, A051446, A033983, A128121, A128122, A128123, A128125, A128126.
Sequence in context: A056683 A105288 A066684 * A221840 A182687 A141062
Adjacent sequences: A128121 A128122 A128123 * A128125 A128126 A128127
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KEYWORD
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hard,more,nonn
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AUTHOR
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Alexander Adamchuk, Feb 15 2007
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EXTENSIONS
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More terms from Ryan Propper (rpropper(AT)stanford.edu), Mar 23 2007
1, 2, 4 and 5 added by N. J. A. Sloane, Apr 23 2007.
a(13), a(14) from Max Alekseyev, May 19 2011
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STATUS
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approved
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