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A137055
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Numbers n such that n and the square of n use only the digits 1, 4, 6, 8 and 9.
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1
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1, 4, 8, 9, 14, 41, 119, 141, 441, 446, 696, 946, 1191, 4119, 6441, 9469, 9486, 41191, 44119, 66969, 69641, 81619, 98446, 98488, 118941, 119114, 441191, 644196, 646886, 664191, 664446, 666946, 681881, 816691, 818196, 944191, 998446, 1191141, 6414164, 6414191, 6441191, 6664191, 6666946, 6681691, 6844114, 6844119, 8166691, 8184864, 9441881
(list; graph; refs; listen; history; internal format)
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