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A097205
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Numbers of the form 3^p * p^3 for p prime.
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1
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72, 729, 30375, 750141, 235782657, 3502727631, 634465620819, 7971951402153, 1145440056788109, 1673826273552131487, 18401108148695065077, 22808230685096689428039, 2513755383310987769681163
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