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Posted on 20100504
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What is the number of nondecreasing sequences of (n+1) integers from 0 to n?
Example: f(2)=10 i.e. (000,001, 002, 011, 012, 022,111,112,122,222))
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Submitted by
Ady TZIDON
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Solution
 Comment 1 of 2
f(n) = product(n+i,i=1..n+1)/(n+1)! = product(n+i,i=2..n+1)/n!
Posted by
Robby Goetschalckx
on 20100504 16:09:06
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