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Search: id:A048570
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| A048570 |
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Triangle T(n,k) = number of divisors of C(n,k). |
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+0
3
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| 1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 3, 4, 3, 1, 1, 2, 4, 4, 2, 1, 1, 4, 4, 6, 4, 4, 1, 1, 2, 4, 4, 4, 4, 2, 1, 1, 4, 6, 8, 8, 8, 6, 4, 1, 1, 3, 9, 12, 12, 12, 12, 9, 3, 1, 1, 4, 6, 16, 16, 18, 16, 16, 6, 4, 1, 1, 2, 4, 8, 16, 16, 16, 16, 8, 4, 2, 1, 1, 6, 8, 12, 12, 24, 24, 24
(list; table; graph; listen)
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OFFSET
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0,5
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LINKS
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T. D. Noe, Rows n=0..100 of triangle, flattened
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EXAMPLE
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1; 1,1; 1,2,1; 1,2,2,1; 1,3,4,3,1; 1,2,4,4,2,1; 1,4,4,6,4,4,1; ...
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CROSSREFS
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Sequence in context: A103441 A081206 A156044 this_sequence A090806 A071201 A106476
Adjacent sequences: A048567 A048568 A048569 this_sequence A048571 A048572 A048573
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KEYWORD
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nonn,tabl,easy
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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