Find the number of combinations such that sum of N numbers equals to M
27218
How to use stars and bars for solving number of integral solutions to an equality?
90423
JavaScript - Generating combinations from n arrays with m elements
59252
Show $\sum_{k=0}^{m} \binom{n-k}{m-k}=\binom{n+1}{m}$
55562
Number of total possibilities for an equation
39349
Find count of all combination of numbers whose sum is x
141531
Find the set of $n\in\Bbb Z^+$ with $M=\{n,n+1,n+2,n+3,n+4,n+5\}$ partitionable into two sets
60661
How to solve this combination problem quickly?
91239
Sum of binomial coefficients involving $n,p,q,r$
149010
Finding Combinations to the provided Sum value
94784
$\sum_{k=-m}^{n} \binom{m+k}{r} \binom{n-k}{s} =\binom{m+n+1}{r+s+1}$ using Counting argument
94923
Using the Pigeonhole Principle to show that $2$ of any $n+1$ numbers from $\{1,2,\ldots,2n\}$ sum to $2n+1$
93572
How to determine if $n (n \geq 2)$ given numbers can be summed up to a certain number?
94836
Total combinations from number of unique combination?
107027
Number of combinations and permutations of letters
103347
combinatorial proof of summation
74682
How should I solve combination addition like this?
19776
Simplify a combinatorial sum