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A058652
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Squarefree n such that sigma(phi(n)) = phi(sigma(n)).
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0
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29262, 114630, 160986, 179562, 252978, 502878, 528954, 780258, 908070, 1080906, 1826454, 2460786, 2870142, 3934686, 5086722, 5493030, 6001206, 6183078, 6621270, 6668634, 8808234, 9298110, 9752190
(list; graph; refs; listen; history; internal format)
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