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Search: id:A058084
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| A058084 |
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Smallest m such that binomial(m,k) = n for some k. |
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+0
1
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| 0, 2, 3, 4, 5, 4, 7, 8, 9, 5, 11, 12, 13, 14, 6, 16, 17, 18, 19, 6, 7, 22, 23, 24, 25, 26, 27, 8, 29, 30, 31, 32, 33, 34, 7, 9, 37, 38, 39, 40, 41, 42, 43, 44, 10, 46, 47, 48, 49, 50, 51, 52, 53, 54, 11, 8, 57, 58, 59, 60, 61, 62, 63, 64, 65, 12, 67, 68, 69, 8, 71, 72, 73, 74, 75, 76
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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Index of first row of Pascal's triangle (A007318) containing n.
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LINKS
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T. D. Noe, Table of n, a(n) for n=1..1000
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EXAMPLE
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a(28)=8 because 28 is first found in row 8 of Pascal's triangle (where the first row is counted as 0).
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MAPLE
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with(combinat): for n from 2 to 150 do flag := 0: for m from 1 to 150 do for k from 1 to m do if binomial(m, k) = n then printf(`%d, `, m); flag := 1; break fi: od: if flag=1 then break fi; od: od:
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CROSSREFS
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Sequence in context: A068794 A130065 A079881 this_sequence A074882 A079867 A079869
Adjacent sequences: A058081 A058082 A058083 this_sequence A058085 A058086 A058087
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KEYWORD
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nice,nonn,easy
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AUTHOR
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Fabian Rothelius (fabian.rothelius(AT)telia.com), Nov 25 2000
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EXTENSIONS
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More terms from James A. Sellers (sellersj(AT)math.psu.edu), Nov 27 2000
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