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A137061
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Numbers n such that n and the square of n use only the digits 1, 5, 6, 7 and 9.
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1
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1, 76, 719, 9569, 9576, 9796, 719666, 756169, 759576, 956619, 957166, 957576, 995576, 7177166, 7179966, 7717966, 75577716, 97956969, 99795669, 99957576, 975559796, 977576169, 995799576, 997995576, 7177576169, 7517976169, 7691917576, 7719565766, 9579956669, 9957999576, 9999759796, 71777197716, 76155511669, 76155759576
(list; graph; refs; listen; history; internal format)
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