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A076034
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Group the natural numbers so that the n-th group contains the smallest set of n relatively prime numbers: (1), (2, 3), (4, 5, 7), (6, 11, 13, 17), (8, 9, 19, 23, 25), (10, 21, 29, 31, 37, 41), ...
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2
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1, 2, 3, 4, 5, 7, 6, 11, 13, 17, 8, 9, 19, 23, 25, 10, 21, 29, 31, 37, 41, 12, 35, 43, 47, 53, 59, 61, 14, 15, 67, 71, 73, 79, 83, 89, 16, 27, 49, 55, 97, 101, 103, 107, 109, 18, 65, 77, 113, 127, 131, 137, 139, 149, 151, 20, 33, 91, 157, 163, 167, 173, 179, 181, 191, 193
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OFFSET
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1,2
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LINKS
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Table of n, a(n) for n=1..66.
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EXAMPLE
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1; 2,3; 4,5,7; 6,11,13,17; 8,9,19,23,25; 10,21,29,31,37,41; ...
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CROSSREFS
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Cf. A076032, A076033.
Sequence in context: A185969 A080688 A082025 * A034152 A114707 A000015
Adjacent sequences: A076031 A076032 A076033 * A076035 A076036 A076037
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KEYWORD
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nonn,tabl
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Oct 01 2002
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EXTENSIONS
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More terms from David Wasserman, Jan 29 2005
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STATUS
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approved
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