Wiki source code of bell-number

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1 h1. The Bell Number Notations
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3 The number of ways a set of {html}\\(n\\){html} elements can be partitioned into nonempty subsets is called a Bell number.
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5 h3. Semantic
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7 - OpenMath's [combinat1/Bell|http://www.openmath.org/cd/combinat1.xhtml#Bell]
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10 h3. Observations of the Bell Number
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12 Put your observations here...
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14 h4. English USA
15 !bell-en.png|align=right! As found in [Bibliography|Census.Bibliography#discrete-math-ThomasKoshy], Bell is defined recursively in the English book as follows
16 [Preview direct google-book-link|http://books.google.com.eg/books?id=lUyet9XvDAIC&lpg=PP1&dq=Discrete%20Mathematics%20with%20Applications&hl=en&pg=PA397#v=onepage&q=the%20bell%20number&f=false]
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20 h4. Germany
21 !bell-de.png|align=right!
22 In [Bibliography|Census.Bibliography#diskrete-math-deEdition], The German book shows the example in page 117
23 [Preview direct google-book-link|http://books.google.com/books?id=Ss3wkCjLWEIC&lpg=PA117&dq=bell%20zahlen&lr=&pg=PA117#v=onepage&q=bell%20zahlen&f=false]
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31 h3. Encoding observations of The Bell number
32 [See encodings|http://devdemo.activemath.org/mathbridge/tools/symbolpresentation.cmd?order=by+Theory&lang=x-all&fmt=html&clipCoordinate=40&noApplet=true&omsource=++%3COMOBJ%3E%0D%0A++++++++++%3COMA%3E%0D%0A++++++++++++%3COMS+name%3D%22Bell%22+cd%3D%22combinat1%22%2F%3E%0D%0A++++++++++++%3COMV+name%3D%22B%22%2F%3E%0D%0A++++++++++++%3COMV+name%3D%22n%22%2F%3E%0D%0A++++++++++%3C%2FOMA%3E%0D%0A++++++++%3C%2FOMOBJ%3E&submit=View]
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