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0, 0, 1, 2, 2, 4, 4, 13, 13, 16, 16, 28, 28, 46, 46, 46, 46, 77, 77, 48, 48, 48, 48, 117, 117, 141, 141, 134, 134, 213, 213, 326, 326, 326, 326, 326, 326, 352, 352, 352, 352, 389, 389, 413, 413, 413, 413, 508, 508
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,4
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COMMENTS
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This calculates the major index (1st definition) of the LCM of all the numbers from 1 to n.
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LINKS
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EXAMPLE
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For n=10, the LCM of all the numbers from 1 to 10 is 2520 = 100111011000_2, whose major index (1st definition) is 16, so a(10)=16.
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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