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Search: id:A125520
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| A125520 |
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a(n) = maximal difference between two distinct n-digit with property that when one of them is typed into a calculator and rotated 180 degrees, the other one is seen. |
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1
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| 3, 75, 825, 8835, 89235, 898335, 8992335, 89983335, 899923335, 8999833335, 89999233335, 899998333335, 8999992333335
(list; graph; listen)
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