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A137104
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Numbers n such that n and the square of n use only the digits 2, 4, 6, 8 and 9.
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1
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2, 8, 22, 68, 92, 222, 262, 264, 288, 668, 964, 6668, 6962, 9288, 9842, 26262, 49462, 49692, 49842, 66668, 69462, 82864, 99462, 99842, 494262, 494462, 499462, 649842, 666668, 684462, 984288, 999462, 4944662, 4946662, 4989886, 4994622, 4994662, 4996886, 4996962, 4998268, 6666668, 6994462, 6999462, 8284262, 9469262, 9994622, 29482622, 49294288
(list; graph; refs; listen; history; internal format)
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