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A002322 Reduced totient function psi(n): least k such that x^k == 1 (mod n) for all x prime to n; also Carmichael lambda function (exponent of unit group mod n).
(Formerly M0298 N0110)
+0
36
1, 1, 2, 2, 4, 2, 6, 2, 6, 4, 10, 2, 12, 6, 4, 4, 16, 6, 18, 4, 6, 10, 22, 2, 20, 12, 18, 6, 28, 4, 30, 8, 10, 16, 12, 6, 36, 18, 12, 4, 40, 6, 42, 10, 12, 22, 46, 4, 42, 20, 16, 12, 52, 18, 20, 6, 18, 28, 58, 4, 60, 30, 6, 16, 12, 10, 66, 16, 22, 12, 70, 6, 72, 36, 20, 18, 30, 12, 78, 4, 54 (list; graph; listen)
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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.


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