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A076221 Table of number of pairs (a,b) of relatively prime numbers <= n containing i. +0
7
0, 1, 1, 2, 2, 2, 3, 2, 3, 2, 4, 3, 4, 3, 4, 5, 3, 4, 3, 5, 2, 6, 4, 5, 4, 6, 3, 6, 7, 4, 6, 4, 7, 3, 7, 4, 8, 5, 6, 5, 8, 3, 8, 5, 6, 9, 5, 7, 5, 8, 3, 9, 5, 7, 4, 10, 6, 8, 6, 9, 4, 10, 6, 8, 5, 10, 11, 6, 8, 6, 10, 4, 11, 6, 8, 5, 11, 4, 12, 7, 9, 7, 11, 5, 12, 7, 9, 6, 12, 5, 12, 13, 7, 10, 7, 12, 5 (list; table; graph; listen)
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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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