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A053923
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Squares composed of digits {2,4,6}.
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2
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4, 64, 4624, 26244, 446224, 26646244, 44462224, 662444644, 4444622224, 6266622244, 26646644644, 444446222224, 44444462222224, 64664242622464, 624666644462224, 4444444622222224, 444444446222222224
(list; graph; refs; listen; history; internal format)
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