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A136923
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Numbers n such that n and the square of n use only the digits 0, 2, 6, 7 and 9.
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1
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0, 26, 27, 260, 270, 277, 2600, 2700, 2770, 26000, 27000, 27700, 96026, 96277, 260000, 266077, 269777, 270000, 277000, 960260, 962770, 996026, 2600000, 2660770, 2696277, 2697770, 2700000, 2770000, 9602600, 9627700, 9960260, 26000000, 26607700, 26962770, 26977700, 27000000, 27700000, 27706077, 96026000, 96276726, 96277000, 99602600
(list; graph; refs; listen; history; internal format)
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