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Search: id:A130466
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| A130466 |
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Triangle where the n-th row consists of the n smallest positive integers which are coprime to the sum of divisors of n. |
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| 1, 1, 2, 1, 3, 5, 1, 2, 3, 4, 1, 5, 7, 11, 13, 1, 5, 7, 11, 13, 17, 1, 3, 5, 7, 9, 11, 13, 1, 2, 4, 7, 8, 11, 13, 14
(list; table; graph; listen)
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