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Search: id:A136921
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| A136921 |
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Numbers n such that n and the square of n use only the digits 0, 2, 6 and 7. |
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+0 1
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| 0, 26, 260, 2600, 26000, 260000, 2600000, 26000000, 260000000, 2600000000, 26000000000, 260000000000, 2600000000000, 26000000000000, 260000000000000
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