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Search: id:A057143
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| A057143 |
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Largest of the most frequently occurring numbers in 1-to-n multiplication table. |
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+0
7
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| 1, 2, 6, 4, 4, 12, 12, 24, 24, 40, 40, 24, 24, 24, 60, 60, 60, 36, 36, 60, 60, 60, 60, 120, 120, 120, 120, 168, 168, 120, 120, 120, 120, 120, 120, 180, 180, 180, 180, 120, 120, 120, 120, 120, 360, 360, 360, 360, 360, 360, 360, 360, 360, 360, 360, 360, 360, 360
(list; graph; listen)
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OFFSET
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1,2
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EXAMPLE
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M(n) is the array in which m(x,y)= x*y for x = 1 to n and y = 1 to n. In m(10), the most frequently occurring numbers are 6, 8, 10, 12, 18, 20, 24, 30,40, each occurring 4 times. The largest of these numbers is 40, so a(10) = 40.
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CROSSREFS
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Cf. A057142, A057144, A057338.
Sequence in context: A029670 A053794 A003077 this_sequence A087428 A115508 A021382
Adjacent sequences: A057140 A057141 A057142 this_sequence A057144 A057145 A057146
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KEYWORD
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nonn
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AUTHOR
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Arran Fernandez (arran(AT)borve.org), Aug 13 2000
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EXTENSIONS
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More terms from Larry Reeves (larryr(AT)acm.org), Apr 18 2001
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