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Search: id:A077729
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| A077729 |
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Smallest square beginning with n copies of n. |
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+0 4
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| 1, 225, 3330625, 44448889, 55555432804, 6666662032144, 77777777127241, 8888888859057216, 99999999989350756, 101010101010101010103146096508501770025
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