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A069600
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Smallest square containing all the digits of numbers from 1 to n. For a(10) and higher, all duplicated digits must be in the term (for example a(10) has two 1's).
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0
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1, 121, 3721, 13924, 135424, 1236544, 13527684, 13527684, 139854276, 11738205649, 10112819764356, 1011123678945241, 10118426359171321
(list; graph; refs; listen; history; internal format)
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