Bell numbers: Difference between revisions
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=={{header|Maple}}== |
=={{header|Maple}}== |
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<lang maple> |
<lang maple>bell1:=proc(n) |
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bell1:=proc(n) |
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option remember; |
option remember; |
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add(binomial(n-1,k)*bell1(k),k=0..n-1) |
add(binomial(n-1,k)*bell1(k),k=0..n-1) |