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A074786
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Numbers n such that phi(n)=sum(d|n,core(d)) where core(x) is the squarefree part of x (A007913)
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1, 99, 1080, 1836, 4743, 5670, 7644, 8307, 14384, 14784, 15225, 15824, 16065, 20300, 21584, 25704, 29760, 34544, 46816, 71568, 94240
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