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A128150
Least k such that n^k (mod k) = (n-1)^2, or 0 if no such k exists.
+0
22
0, 41459, 35, 9569200211, 2673413, 10596486211, 1885511821439, 235, 12722173, 1971782729, 133617287, 14873, 1465, 1606870609, 4247, 129015968122421, 526673, 835, 1079115301, 12148589879, 12351683
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.
AT&T Labs Research
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