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A137063
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Numbers n such that n and the square of n use only the digits 1, 5, 7, 8 and 9.
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1
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1, 9, 9859, 99859, 771891, 987917, 8879859, 75879891, 75891891, 89191859, 98575859, 881575859, 985889891, 999575859, 999787917, 7181581859, 8881991891, 8885875859, 8888171859, 8897857917, 71775871859, 88758771891, 88881717917, 99597789891, 99857857917, 99997857917, 99999575859, 718175178891, 871711871891, 888571871891
(list; graph; refs; listen; history; internal format)
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