Bell Numbers
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Multiple Choice
What is the formula for the Bell number B(n)?
- B(n) = (1/e) * sum(k! * S(n, k) for k from 0 to n)
- B(n) = (1/e) * sum(k! * S(n, k) for k from 1 to n)
- B(n) = (1/e) * sum(k! * S(n, k) for k from 2 to n)
- B(n) = (1/e) * sum(k! * S(n, k) for k from 3 to n)