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A136933
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Numbers n such that n and the square of n use only the digits 0, 3, 4, 7 and 8.
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1
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0, 88, 878, 880, 8780, 8800, 87800, 88000, 878000, 880000, 8387078, 8780000, 8800000, 83870780, 87800000, 88000000, 838707800, 878000000, 880000000, 8387078000, 8780000000, 8800000000, 8833878448, 83870780000, 87774340088, 87800000000, 88000000000, 88004400088, 88338784480, 838707800000, 877743400880, 878000000000, 880000000000
(list; graph; refs; listen; history; internal format)
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