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A060672 phi(x) = n has exactly 9 solutions. +0
1
40, 60, 108, 128, 252, 276, 440, 612, 696, 996, 1088, 1380, 1500, 1824, 1860, 1932, 2064, 2472, 2796, 2928, 3060, 3132, 3384, 3516, 4584, 4932, 5076, 5136, 5436, 5700, 5888, 6096, 6372, 6640, 6744, 7020, 7080, 7380, 7452, 7476, 7704, 8040, 8676, 8892 (list; graph; listen)
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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.


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