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A067944
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Integers of the form (rep(n)-1)/n where rep(n)=1111111111...111 with n 1's is the n-th repunit number.
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5, 2222, 158730, 111111111, 1010101010, 85470085470, 653594771241830, 58479532163742690, 483091787439613526570, 383141762452107279693486590, 35842293906810035842293906810, 30030030030030030030030030030030030
(list; graph; refs; listen; history; internal format)
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