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A053882
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Numbers n such that n^2 contains only digits {1,2,6}.
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1
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1, 4, 11, 46, 511, 1619, 78881, 81404, 81619, 161761, 1105046, 1456404, 4595881, 814010204, 128884685369, 112366637002369, 47130268582155593596
(list; graph; refs; listen; history; internal format)
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