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Search: id:A076063
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| A076063 |
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Group the natural numbers so that the n-th group contains n numbers whose sum is a multiple of the n-th composite number: (4),(1,5),(2,3,11),(6,7,8,15),(9,10,12,13,16),(14,17,18,19,20,32)... |
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+0
5
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| 4, 1, 5, 2, 3, 11, 6, 7, 8, 15, 9, 10, 12, 13, 16, 14, 17, 18, 19, 20, 32, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 33, 34, 35, 50, 36, 37, 38, 39, 40, 41, 42, 43, 52, 44, 45, 46, 47, 48, 49, 51, 53, 54, 67, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 68, 69, 70, 71, 72
(list; table; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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4; 1,5; 2,3,11; 6,7,8,15; 9,10,12,13,16; 14,17,18,19,20,32; ...
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CROSSREFS
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Cf. A076064, A076065, A076066, A076067.
Sequence in context: A028271 A029666 A131230 this_sequence A035590 A080414 A067061
Adjacent sequences: A076060 A076061 A076062 this_sequence A076064 A076065 A076066
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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 05 2002
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EXTENSIONS
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More terms from David Wasserman (dwasserm(AT)earthlink.net), Mar 18 2005
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