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A137048
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Numbers n such that n and the square of n use only the digits 1, 4, 5, 6 and 9.
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1
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1, 4, 14, 119, 4116, 4119, 4466, 6454, 95454, 956554, 956619, 959166, 4116619, 6415696, 6441616, 6445616, 6446669, 6641946, 6644546, 9959514, 41169669, 44665419, 64466669, 66644546, 95469446, 95469469, 95611696, 441544966, 644666669, 664499166, 666416946, 956114619, 956115419, 995966696, 1191469469, 4116669114, 4411541619
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