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A136949
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Numbers n such that n and the square of n use only the digits 0, 4, 5, 6 and 8.
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1
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0, 8, 80, 800, 8000, 80000, 80408, 800000, 804080, 6844008, 8000000, 8040800, 8066008, 68440080, 80000000, 80408000, 80650508, 80660080, 684400800, 800000000, 804080000, 806505080, 806600800, 6844008000, 8000000000, 8040800000, 8065050800, 8066008000, 68440080000, 80000000000, 80405566008, 80408000000, 80650508000
(list; graph; refs; listen; history; internal format)
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