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A137072
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Numbers n such that n and the square of n use only the digits 2, 3, 4, 6 and 8.
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1
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2, 6, 8, 22, 62, 68, 262, 482, 622, 662, 668, 4832, 4844, 6662, 6668, 26238, 48628, 66662, 66668, 483368, 666662, 666668, 828482, 828628, 2623628, 2886838, 2888482, 4833668, 4882262, 6232438, 6232442, 6232844, 6666662, 6666668, 6832442, 28848368, 28884838, 28886482, 62324832, 66248368, 66666662, 66666668, 288833628, 484382438
(list; graph; refs; listen; history; internal format)
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