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A069185
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Numbers n such that n=phi(n)*core(n) where phi(x) is the Euler totient function and core(x) the squarefree part of x (the smallest integer such that x*core(x) is a square).
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0
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1, 2, 8, 12, 32, 48, 108, 128, 192, 432, 512, 768, 972, 1728, 2048, 3072, 3888, 6912, 8192, 8748, 12288, 15552, 27648, 32768, 34992, 49152, 62208, 78732, 110592, 131072, 139968, 196608, 248832, 314928, 442368, 524288, 559872
(list; graph; refs; listen; history; internal format)
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