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Search: id:A136854
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| A136854 |
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Numbers n such that n and the square of n use only the digits 0, 1, 4 and 5. |
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+0 1
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| 0, 1, 10, 100, 1000, 10000, 100000, 100501, 1000000, 1005010, 10000000, 10005001, 10050100, 100000000, 100050010, 100501000, 1000000000, 1000050001, 1000500100, 1005010000, 10000000000, 10000500010, 10005001000, 10050100000, 100000000000, 100000500001, 100005000100, 100050010000, 100501000000, 1000000000000
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