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A136922
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Numbers n such that n and the square of n use only the digits 0, 2, 6, 7 and 8.
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1
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0, 26, 260, 826, 2600, 8226, 8260, 26000, 82260, 82600, 260000, 280726, 822600, 826000, 2600000, 2767826, 2807260, 7786026, 8226000, 8260000, 26000000, 27678260, 28072600, 28686026, 77860260, 82260000, 82600000, 88672826, 260000000, 276782600, 277288226, 280726000, 286860260, 778602600, 787786026, 820260826, 822600000, 826000000
(list; graph; refs; listen; history; internal format)
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