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A122477
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Numbers n such that n and n^2 together contain all ten digits.
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1
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1807, 2396, 3257, 3698, 3908, 3968, 4073, 4554, 5307, 5670, 5699, 5717, 5799, 5904, 5968, 6158, 6172, 6509, 7618, 7682, 7708, 7852, 7951, 8107, 8384, 8540, 8679, 9024
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OFFSET
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1,1
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LINKS
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EXAMPLE
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1807^2 = 326549.
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MATHEMATICA
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Select[Range[10000], Length[Union[IntegerDigits[ # ], IntegerDigits[ #^2]]] == 10 &]
Select[Range[10000], Union[Flatten[IntegerDigits/@{#, #^2}]]==Range[0, 9]&] (* Harvey P. Dale, Oct 29 2023 *)
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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STATUS
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approved
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