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A137083
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Numbers n such that n and the square of n use only the digits 2, 3, 5, 7 and 8.
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1
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5, 85, 235, 885, 2885, 7585, 22885, 27885, 72335, 73385, 75885, 87885, 287885, 522335, 572585, 723385, 723585, 733385, 852835, 2352835, 2752885, 2885885, 5222335, 5222885, 5223335, 5232385, 5327835, 5772585, 5777835, 7272385, 7333385, 8852885, 23575885, 28858835, 53223335, 73333385, 85752885, 88787885, 275378335, 278527885
(list; graph; refs; listen; history; internal format)
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