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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Perfect-totient-numbers/Mathematica/perfect-totient-numbers.math Normal file
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ClearAll[PerfectTotientNumberQ]
PerfectTotientNumberQ[n_Integer] := Total[Rest[Most[FixedPointList[EulerPhi, n]]]] == n
res = {};
i = 0;
While[Length[res] < 20,
i++;
If[PerfectTotientNumberQ[i], AppendTo[res, i]]
]
res