Tom Duff
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What links here
Neil Sloane
On-Line Encyclopedia of Integer Sequences
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Taguchi methods
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Kissing number
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Mathieu group
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Sphere packing
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23 (number)
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1999 in science
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Richard Borcherds
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Geometry of numbers
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Highland Park, New Jersey
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Imaginary unit
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John Horton Conway
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Claude Shannon
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